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  <url>
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      <image:caption>Lanthanum Chloride, 7-Hydrate, BAKER ANALYZED ACS Reagent, 100 g Glass Bottle, Baker 2255-05 (Non-Regulated)</image:caption>
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      <image:caption>Magnesium Chloride, 6-Hydrate, Crystal, BAKER ANALYZED ACS Reagent, 500 g Poly Bottle, Baker 2444-01 (Non-Regulated)</image:caption>
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      <image:caption>Magnesium Chloride, 6-Hydrate, Crystal, BAKER ANALYZED ACS Reagent, 2.5 kg Poly Bottle, Baker 2444-05 (Non-Regulated)</image:caption>
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      <image:caption>Magnesium Sulfate, Anhydrous, Powder, BAKER ANALYZED Reagent, 500 g Poly Bottle, Baker 2506-01 (Non-Regulated)</image:caption>
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      <image:caption>Magnesium Sulfate, Anhydrous, Powder, BAKER ANALYZED Reagent, 2.5 kg Poly Bottle, Baker 2506-05 (Non-Regulated)</image:caption>
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      <image:caption>Mannitol, Powder, BAKER ANALYZED ACS Reagent, 500 g Poly Bottle, Baker 2554-01 (Non-Regulated)</image:caption>
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      <image:caption>Mercuric Oxide, Red, Powder, BAKER ANALYZED ACS Reagent, Baker 2620-04 (6.1, UN1641, P.G II)</image:caption>
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  <url>
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      <image:caption>Methyl Red Hydrochloride, Crystal, BAKER ANALYZED ACS Reagent, 30 g Glass Bottle, Baker 2696-00 (Non-Regulated)</image:caption>
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      <image:caption>Potassium Biphthalate, Crystal, BAKER ANALYZED ACS Reagent (Sold by Each / Each = 100 g Poly Bottle) (Non-Regulated)</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-3040-01_11d08ff1-500b-4acb-8228-7a30c92edef2.png?v=1786098300</image:loc>
      <image:title>Potassium Chloride, Crystal, BAKER ANALYZED ACS Reagent, 500 g Poly Bottle,  Baker 3040-01 (Non-Regulated)</image:title>
      <image:caption>Potassium Chloride, Crystal, BAKER ANALYZED ACS Reagent, 500 g Poly Bottle,  Baker 3040-01 (Non-Regulated)</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-3058-01.png?v=1786098303</image:loc>
      <image:title>Potassium Chromate &gt;/=99.0%, Crystals, Baker Analyzed ACS Grade, 500 g</image:title>
      <image:caption>Potassium Chromate &gt;/=99.0%, Crystals, Baker Analyzed ACS Grade, 500 g</image:caption>
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    <image:image>
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      <image:title>Potassium Chromate, Crystal, BAKER ANALYZED ACS Reagent, 2.5 kg Poly Bottle, Baker 3058-05 (5.1, UN3085, P.G. III)</image:title>
      <image:caption>Potassium Chromate, Crystal, BAKER ANALYZED ACS Reagent, 2.5 kg Poly Bottle, Baker 3058-05 (5.1, UN3085, P.G. III)</image:caption>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-3090-01.png?v=1786098304</image:loc>
      <image:title>Potassium Dichromate, &gt;/=99.0%, Baker Analyzed, ACS Grade, 500 g</image:title>
      <image:caption>Potassium Dichromate, &gt;/=99.0%, Baker Analyzed, ACS Grade, 500 g</image:caption>
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    <image:image>
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      <image:title>Potassium Iodide, Granular, BAKER ANALYZED ACS Reagent, 500 g Glass Bottle, Baker 3162-01 (Non-Regulated)</image:title>
      <image:caption>Potassium Iodide, Granular, BAKER ANALYZED ACS Reagent, 500 g Glass Bottle, Baker 3162-01 (Non-Regulated)</image:caption>
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    <image:image>
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      <image:caption>Potassium Iodide, Granular, BAKER ANALYZED ACS Reagent, 2.5 kg, Non-Regulated, 2.5 kg Amber Glass Bottle, Avantor Performance Materials, 3162-05</image:caption>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-3162-07.png?v=1786098308</image:loc>
      <image:title>Potassium Iodide, Granular, BAKER ANALYZED ACS Reagent, 12 kg Poly Flowmor Pail, Baker 3162-07 (Non-Regulated)</image:title>
      <image:caption>Potassium Iodide, Granular, BAKER ANALYZED ACS Reagent, 12 kg Poly Flowmor Pail, Baker 3162-07 (Non-Regulated)</image:caption>
    </image:image>
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    <image:image>
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      <image:title>Potassium Nitrate, Crystal, BAKER ANALYZED ACS Reagent, 500 g Glass Bottle, Baker 3190-01 (5.1, UN1486, P.G. III)</image:title>
      <image:caption>Potassium Nitrate, Crystal, BAKER ANALYZED ACS Reagent, 500 g Glass Bottle, Baker 3190-01 (5.1, UN1486, P.G. III)</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Potassium Nitrite, 500 g, Avantor Performance Materials, 3202-01, 5.1, UN1488, PG II</image:title>
      <image:caption>Potassium Nitrite, 500 g, Avantor Performance Materials, 3202-01, 5.1, UN1488, PG II</image:caption>
    </image:image>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-3227-01.png?v=1786098313</image:loc>
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      <image:caption>Potassium Permanganate, &gt;/= 99.0 %,BAKER ANALYZED ACS Reagent, Suitable for Mercury Determination, 500 g Glass Bottle, Baker 3227-01 (5.1, UN1490, P.G. II)</image:caption>
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    <image:image>
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      <image:title>Potassium Persulfate, BAKER ANALYZED Reagent, 500 g Glass  Bottle, Baker 3238-01 (5.1, UN1492, P.G. III)</image:title>
      <image:caption>Potassium Persulfate, BAKER ANALYZED Reagent, 500 g Glass  Bottle, Baker 3238-01 (5.1, UN1492, P.G. III)</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Potassium Persulfate, BAKER INSTRA-ANALYZED Reagent, Suitable for Kjeldahl Nitrogen, Phosphate &amp; Mercury Determinations, 500 g Glass Bottle, Baker 3239-01 (5.1, UN1492, P.G. III)</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-3246-01.png?v=1786098318</image:loc>
      <image:title>Potassium Phosphate, Monobasic, Crystal, BAKER ANALYZED ACS Reagent, 500 g Poly Bottle, Baker 3246-01 (Non-Regulated)</image:title>
      <image:caption>Potassium Phosphate, Monobasic, Crystal, BAKER ANALYZED ACS Reagent, 500 g Poly Bottle, Baker 3246-01 (Non-Regulated)</image:caption>
    </image:image>
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      <image:title>Potassium Phosphate, Monobasic, Crystal, BAKER ANALYZED ACS Reagent, 2.5 kg Poly Bottle, Baker 3246-05 (Non-Regulated)</image:title>
      <image:caption>Potassium Phosphate, Monobasic, Crystal, BAKER ANALYZED ACS Reagent, 2.5 kg Poly Bottle, Baker 3246-05 (Non-Regulated)</image:caption>
    </image:image>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-3252-01.png?v=1786098320</image:loc>
      <image:title>Potassium Phosphate Dibasic Powder AR 500 g, Avantor Performance Materials, 3252-01, Non-Regulated</image:title>
      <image:caption>Potassium Phosphate Dibasic Powder AR 500 g, Avantor Performance Materials, 3252-01, Non-Regulated</image:caption>
    </image:image>
  </url>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Potassium Sodium Tartrate AR, 500 g, Avantor Performance Materials, 3272-01, Non-Regulated</image:title>
      <image:caption>Potassium Sodium Tartrate AR, 500 g, Avantor Performance Materials, 3272-01, Non-Regulated</image:caption>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-3278-05.png?v=1786098324</image:loc>
      <image:title>Potassium Sulfate, Fine Crystal, BAKER ANALYZED ACS Reagent, 2.5 kg Poly Bottle,  Baker 3278-05 (Non-Regulated)</image:title>
      <image:caption>Potassium Sulfate, Fine Crystal, BAKER ANALYZED ACS Reagent, 2.5 kg Poly Bottle,  Baker 3278-05 (Non-Regulated)</image:caption>
    </image:image>
  </url>
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    <image:image>
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      <image:title>Pyridine, BAKER ANALYZED ACS Reagent, 500 mL Glass Bottle, Baker 3348-01 (3, UN1282, P.G. II)</image:title>
      <image:caption>Pyridine, BAKER ANALYZED ACS Reagent, 500 mL Glass Bottle, Baker 3348-01 (3, UN1282, P.G. II)</image:caption>
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      <image:caption>Celite 545 (Diatomaceous Earth, 48 Micron) 500 g, Avantor Performance Materials, 3371-01, Not Regulated</image:caption>
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      <image:caption>Sodium Sulfate, Anhydrous, Granular (12-60 Mesh), ULTRA RESI-ANALYZED ACS Reagent, Tested for Hexane Extractable Impurities, 500 g Glass Bottle, Baker 3375-01 (Non-Regulated)</image:caption>
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      <image:caption>Sodium Sulfate, Anhydrous, Granular (12-60 Mesh), ULTRA RESI-ANALYZED ACS Reagent, Tested for Hexane Extractable Impurities, 2.5 kg Glass Bottle, Baker 3375-05 (Non-Regulated)</image:caption>
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      <image:title>Sodium Sulfate, Anhydrous, Granular (12-60 Mesh), ULTRA RESI-ANALYZED ACS Reagent, Tested for Hexane Extractable Impurities, 12 kg Lined Fiber Drum, Baker 3375-07 (Non-Regulated)</image:title>
      <image:caption>Sodium Sulfate, Anhydrous, Granular (12-60 Mesh), ULTRA RESI-ANALYZED ACS Reagent, Tested for Hexane Extractable Impurities, 12 kg Lined Fiber Drum, Baker 3375-07 (Non-Regulated)</image:caption>
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      <image:title>Sodium Sulfate, Anhydrous, Granular (12-60 Mesh), ULTRA RESI-ANALYZED ACS Reagent, Tested for Hexane Extractable Impurities, 45.5 kg Drum, Baker 3375-09 (Non-Regulated)</image:title>
      <image:caption>Sodium Sulfate, Anhydrous, Granular (12-60 Mesh), ULTRA RESI-ANALYZED ACS Reagent, Tested for Hexane Extractable Impurities, 45.5 kg Drum, Baker 3375-09 (Non-Regulated)</image:caption>
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      <image:title>Ammonium Chloride 500 g, Avantor Performance Materials, Non-Regulated</image:title>
      <image:caption>Ammonium Chloride 500 g, Avantor Performance Materials, Non-Regulated</image:caption>
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      <image:caption>Sodium Chloride, Crystal, &gt;/= 99.0% (by Argentometric Titration) BAKER ANALYZED ACS Reagent, 2.5 kg Poly Bottle, Baker 3624-05 (Non-Regulated)</image:caption>
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      <image:caption>Sodium Phosphate, Monobasic, Monohydrate, Crystal, BAKER ANALYZED ACS Reagent, 500 g Poly Bottle, Baker 3818-01 (Non-Regulated)</image:caption>
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      <image:caption>Sodium Phosphate, Dibasic, 7-Hydrate, Crystal, BAKER ANALYZED ACS Reagent, 500 g Poly Bottle, Baker 3824-01 (Non-Regulated)</image:caption>
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      <image:caption>Sodium Phosphate, Dibasic, Anhydrous, BAKER ANALYZED ACS Reagent, 500 g Poly Bottle, Baker 3828-01 (Non-Regulated)</image:caption>
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      <image:caption>Sodium Phosphate, Tribasic, 12-Hydrate, Crystal, BAKER ANALYZED ACS Reagent, 2.5 kg Poly Bottle, Baker 3836-05 (Non-Regulated)</image:caption>
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      <image:caption>J.T. Baker Trisodium Phosphate Dodecahydrate, 98.0 to 102.0% (by Acidimetry), Crystals, BAKER ANALYSIZED ACS Grade, 12 kg, Avantor, 3836-07</image:caption>
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      <image:title>Sodium Sulfate, Anhydrous, Granular Powder, BAKER ANALYZED ACS Reagent, 500 g Glass Bottle, Baker 3891-01 (Non-Regulated)</image:title>
      <image:caption>Sodium Sulfate, Anhydrous, Granular Powder, BAKER ANALYZED ACS Reagent, 500 g Glass Bottle, Baker 3891-01 (Non-Regulated)</image:caption>
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      <image:caption>Sodium Sulfate, Anhydrous, Granular Powder, BAKER ANALYZED ACS Reagent, 2.5 kg Glass Bottle, Baker 3891-05 (Non-Regulated)</image:caption>
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      <image:caption>Water, HPLC Grade, Baker 4L Glass Bottle 4218-03 (Non-Regulated)</image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-6474-04.png?v=1786098460</image:loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-6900-02.png?v=1786098462</image:loc>
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  <url>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-6901-02.png?v=1786098466</image:loc>
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      <image:caption>Nitric Acid, ULTREX II Ultrapure Reagent, Baker 2 L, 6909-02 (8, UN2031, P.G. II)</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-6901-05.png?v=1786098468</image:loc>
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      <image:caption>Nitric Acid, ULTREX II Ultrapure Reagent, 500 mL Fluoropolymer Bottle, Baker 6909-05 (8, UN2031, P.G. II)</image:caption>
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  <url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-8055-06.png?v=1786098469</image:loc>
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      <image:caption>BAKERBOND Speedisk C18, 50 mm Extraction Disk, For EPA Methods 500 Series, 608, SW846/3535, Package of 20, Baker 8055-06 [REPRESENTATIVE IMAGE]</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>BAKERBOND Speedisk, Oil &amp; Grease, 50 mm Extraction Disk, Each, Baker 8060-06. [REPRESENTATIVE IMAGE]</image:caption>
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  <url>
    <loc>https://preiser.com/products/bakerbond-speedisk-extraction-disks-for-automated-extractors-50-mm-for-use-with-slightly-polar-to-non-polar-hydrocarbons-epa-method-1664-rev-a-package-of-32-baker-8064-06-non-regulated</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-8064-06_08346871-0b25-4a91-8df9-124cf9e77fbe.png?v=1786098471</image:loc>
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      <image:caption>BAKERBOND Speedisk Extraction Disks for Automated Extractors, 50 mm, for use with Slightly Polar to Non-Polar Hydrocarbons. EPA Method 1664, Rev. A, Package of 32, Baker 8064-06 (Non-Regulated)</image:caption>
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  <url>
    <loc>https://preiser.com/products/edta-disodium-salt-dihydrate-crystal-ar-500-g-avantor-performance-materials-8993-01-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-8993-01.png?v=1786098473</image:loc>
      <image:title>EDTA Disodium Salt Dihydrate, Crystal, AR 500 g, Avantor Performance Materials, 8993-01, Non-Regulated</image:title>
      <image:caption>EDTA Disodium Salt Dihydrate, Crystal, AR 500 g, Avantor Performance Materials, 8993-01, Non-Regulated</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/acetone-hplc-grade-baker-4-l-amber-glass-bottle-9002-03-3-un1090-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9002-02.png?v=1786098474</image:loc>
      <image:title>Acetone, HPLC Grade, Baker 4 L Amber Glass Bottle 9002-03 (3, UN1090, P.G. II)</image:title>
      <image:caption>Acetone, HPLC Grade, Baker 4 L Amber Glass Bottle 9002-03 (3, UN1090, P.G. II)</image:caption>
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  <url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9002-03.png?v=1786098476</image:loc>
      <image:title>Acetone, HPLC Grade, Baker 4 L Glass Bottle 9002-03 (3, UN1090, P.G. II)</image:title>
      <image:caption>Acetone, HPLC Grade, Baker 4 L Glass Bottle 9002-03 (3, UN1090, P.G. II)</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9006-01.png?v=1786098478</image:loc>
      <image:title>Acetone, BAKER ANALYZED ACS Reagent, 500 mL Glass Bottle, Baker 9006-01 (3, UN1090, P.G. II)</image:title>
      <image:caption>Acetone, BAKER ANALYZED ACS Reagent, 500 mL Glass Bottle, Baker 9006-01 (3, UN1090, P.G. II)</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/acetone-baker-analyzed-acs-reagent-4-l-glass-bottle-baker-9006-03-3-un1090-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9006-03.png?v=1786098480</image:loc>
      <image:title>Acetone, BAKER ANALYZED ACS Reagent, 4 L Glass Bottle, Baker 9006-03 (3, UN1090, P.G. II)</image:title>
      <image:caption>Acetone, BAKER ANALYZED ACS Reagent, 4 L Glass Bottle, Baker 9006-03 (3, UN1090, P.G. II)</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/acetone-baker-analyzed-acs-reagent-19-l-poly-pail-baker-9006-07-3-un1090-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9006-07.png?v=1786098482</image:loc>
      <image:title>Acetone, BAKER ANALYZED ACS Reagent, 19 L Poly Pail, Baker 9006-07 (3, UN1090, P.G. II)</image:title>
      <image:caption>Acetone, BAKER ANALYZED ACS Reagent, 19 L Poly Pail, Baker 9006-07 (3, UN1090, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/acetone-baker-analyzed-acs-reagent-4-l-poly-coated-glass-bottle-baker-9006-03-3-un1090-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9006-33.png?v=1786098484</image:loc>
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      <image:caption>Acetone, BAKER ANALYZED ACS Reagent, 4 L Poly-Coated Glass Bottle, Baker 9006-03 (3, UN1090, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/acetonitrile-hplc-grade-4-l-glass-bottle-baker-9017-03-3-un1648-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9017-03.png?v=1786098486</image:loc>
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      <image:caption>Acetonitrile, HPLC Grade, 4 L Glass Bottle Baker 9017-03 (3, UN1648, P.G. II)</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/acetonitrile-99-9-baker-analyzed-hplc-grade-ultra-gradient-for-hplc-uhplc-for-spectrophotometry</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9017-33.png?v=1786098487</image:loc>
      <image:title>Acetonitrile &gt;/= 99.9% Baker Analyzed, HPLC Grade, Ultra Gradient for HPLC, UHPLC, for Spectrophotometry</image:title>
      <image:caption>Acetonitrile &gt;/= 99.9% Baker Analyzed, HPLC Grade, Ultra Gradient for HPLC, UHPLC, for Spectrophotometry</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/methyl-tert-butyl-ether-hplc-grade-4-l-glass-bottle-baker-9042-03-3-un2398-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9042-03_66881bd8-e4ce-4a77-9eba-0e751e1b7dd3.png?v=1786098488</image:loc>
      <image:title>Methyl tert-Butyl Ether, HPLC Grade, 4 L Glass Bottle, Baker 9042-03 (3, UN2398, P.G. II)</image:title>
      <image:caption>Methyl tert-Butyl Ether, HPLC Grade, 4 L Glass Bottle, Baker 9042-03 (3, UN2398, P.G. II)</image:caption>
    </image:image>
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  <url>
    <loc>https://preiser.com/products/methyl-tert-butyl-ether-ultra-resi-analyzed-1-l-glass-bottle-baker-9043-02-3-un2398-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9043-02.png?v=1786098489</image:loc>
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      <image:caption>Methyl tert-Butyl Ether, ULTRA RESI-ANALYZED, 1 L Glass Bottle, Baker 9043-02 (3, UN2398, P.G. II)</image:caption>
    </image:image>
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  <url>
    <loc>https://preiser.com/products/methanol-acs-reagent-sold-by-each-each-500-ml-bottle-3-un1230-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9070-01_934da9b6-1154-403c-a561-f6790402719b.png?v=1786098491</image:loc>
      <image:title>Methanol, ACS Reagent (Sold by Each / Each = 500 mL Bottle) (3, UN1230, P.G. II)</image:title>
      <image:caption>Methanol, ACS Reagent (Sold by Each / Each = 500 mL Bottle) (3, UN1230, P.G. II)</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9070-03_21806503-63e0-400f-bb2e-ee962cc4af57.png?v=1787783594</image:loc>
      <image:title>Methanol, BAKER ANALYZED ACS Reagent, 4 L Glass Bottle, Baker 9070-03 (3, UN1230, P.G. II)</image:title>
      <image:caption>Methanol, BAKER ANALYZED ACS Reagent, 4 L Glass Bottle, Baker 9070-03 (3, UN1230, P.G. II)</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9070-07_565bf32e-f778-49fb-8867-cb902bdde924.png?v=1786098494</image:loc>
      <image:title>Methanol, BAKER ANALYZED ACS Reagent, 19 L Blue Poly Container, Baker 9070-07 (3, UN1230, P.G. II)</image:title>
      <image:caption>Methanol, BAKER ANALYZED ACS Reagent, 19 L Blue Poly Container, Baker 9070-07 (3, UN1230, P.G. II)</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9077-02_688198d5-aa6f-4876-b98f-f56a3358e608.png?v=1786098496</image:loc>
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      <image:caption>Methanol, Purge and Trap Analysis, ULTRA RESI-ANALYZED, 1 L Glass Bottle, Baker 9077-02 (3, UN1230, P.G. II)</image:caption>
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  <url>
    <loc>https://preiser.com/products/isopropyl-alcohol-usp-20-l-avantor-performance-materials-3-un1219-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9080-07.png?v=1786098498</image:loc>
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      <image:caption>Isopropyl Alcohol USP, 20 L, Avantor Performance Materials,  3,UN1219, PG II</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9084-01.png?v=1786098499</image:loc>
      <image:title>Isopropyl Alcohol (2-Propanol) BAKER ANALYZED ACS Reagent, 500 mL Glass Bottle, Baker 9084-01 (3, UN1219, P.G. II)</image:title>
      <image:caption>Isopropyl Alcohol (2-Propanol) BAKER ANALYZED ACS Reagent, 500 mL Glass Bottle, Baker 9084-01 (3, UN1219, P.G. II)</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9084-03_6b6a8447-8175-4668-a9c5-18c391142d03.png?v=1786098501</image:loc>
      <image:title>2-Propanol AR, 4 L, Avantor Performance Materials, 9084-03, 3, UN1219, PG II</image:title>
      <image:caption>2-Propanol AR, 4 L, Avantor Performance Materials, 9084-03, 3, UN1219, PG II</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9084-07.png?v=1786098503</image:loc>
      <image:title>2-Propanol, BAKER ANALYZED ACS Reagent, 19 L Poly Pail, Baker 9084-07 (3, UN1219, P.G. II)</image:title>
      <image:caption>2-Propanol, BAKER ANALYZED ACS Reagent, 19 L Poly Pail, Baker 9084-07 (3, UN1219, P.G. II)</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9086-03.png?v=1786098504</image:loc>
      <image:title>1-Propanol, BAKER ANALYZED Reagent, 4 L Glass Bottle, Baker 9086-03 (3, UN1274, P.G. III)</image:title>
      <image:caption>1-Propanol, BAKER ANALYZED Reagent, 4 L Glass Bottle, Baker 9086-03 (3, UN1274, P.G. III)</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9086-07.png?v=1786098505</image:loc>
      <image:title>1-Propanol, BAKER ANALYZED Reagent, 20 L Steel Pail, Baker, 9086-07 (3, UN1274, P.G. III)</image:title>
      <image:caption>1-Propanol, BAKER ANALYZED Reagent, 20 L Steel Pail, Baker, 9086-07 (3, UN1274, P.G. III)</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9093-02.png?v=1786098507</image:loc>
      <image:title>Methanol, HPLC, Baker 1 L Glass Bottle 9093-02 (3, UN1230, P.G. II)</image:title>
      <image:caption>Methanol, HPLC, Baker 1 L Glass Bottle 9093-02 (3, UN1230, P.G. II)</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9093-03_9ed13a06-7f18-494c-99a6-da8cd70fdcd9.png?v=1786098508</image:loc>
      <image:title>Methanol, HPLC, Baker 9093-03, 4 L Glass Bottle (3, UN1230, P.G. II)</image:title>
      <image:caption>Methanol, HPLC, Baker 9093-03, 4 L Glass Bottle (3, UN1230, P.G. II)</image:caption>
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    <loc>https://preiser.com/products/methanol-hplc-baker-4-l-poly-coated-bottle-9093-33-3-un1230-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9093-33_16b49224-caa0-48a0-9c38-6af51968d8df.png?v=1786098509</image:loc>
      <image:title>Methanol, HPLC, Baker 4 L Poly-Coated Bottle 9093-33 (3, UN1230, P.G. II)</image:title>
      <image:caption>Methanol, HPLC, Baker 4 L Poly-Coated Bottle 9093-33 (3, UN1230, P.G. II)</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9095-03.png?v=1786098510</image:loc>
      <image:title>2-Propanol, HPLC Grade, Baker 4 L Glass Bottle 9095-03 (3, UN1219, P.G. II)</image:title>
      <image:caption>2-Propanol, HPLC Grade, Baker 4 L Glass Bottle 9095-03 (3, UN1219, P.G. II)</image:caption>
    </image:image>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9180-03.png?v=1786098512</image:loc>
      <image:title>Chloroform, BAKER ANALYZED ACS Reagent, 4 L PVC Coated, Amber Glass Bottle, Baker 9180-03 (6.1, UN1888, P.G. III)</image:title>
      <image:caption>Chloroform, BAKER ANALYZED ACS Reagent, 4 L PVC Coated, Amber Glass Bottle, Baker 9180-03 (6.1, UN1888, P.G. III)</image:caption>
    </image:image>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9180-33.png?v=1786098513</image:loc>
      <image:title>Chloroform, BAKER ANALYZED ACS Reagent, 4 L Amber Poly-Coated Glass Bottle, Baker 9180-33 (6.1, UN1888, P.G. III)</image:title>
      <image:caption>Chloroform, BAKER ANALYZED ACS Reagent, 4 L Amber Poly-Coated Glass Bottle, Baker 9180-33 (6.1, UN1888, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9206-33.png?v=1786098514</image:loc>
      <image:title>Cyclohexane, BAKER ANALYZED ACS Reagent, 4 L Poly Coated Glass Bottle, Baker 9206-33 (3, UN1145, P.G. II)</image:title>
      <image:caption>Cyclohexane, BAKER ANALYZED ACS Reagent, 4 L Poly Coated Glass Bottle, Baker 9206-33 (3, UN1145, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9221-33.png?v=1786098515</image:loc>
      <image:title>Dimethylformamide, BAKER ANALYZED ACS Reagent, 4 L Poly Coated Bottle, Baker 9221-33 (3, UN2265, P.G. III)</image:title>
      <image:caption>Dimethylformamide, BAKER ANALYZED ACS Reagent, 4 L Poly Coated Bottle, Baker 9221-33 (3, UN2265, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9231-03.png?v=1786098517</image:loc>
      <image:title>1,4-Dioxane, 4 L, Avantor Performance Materials, 9231-03,  3,UN1165,PGII</image:title>
      <image:caption>1,4-Dioxane, 4 L, Avantor Performance Materials, 9231-03,  3,UN1165,PGII</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9244-02.png?v=1786098518</image:loc>
      <image:title>Ether, Anhydrous, BAKER ANALYZED ACS Reagent, 1 L Bottle, Baker 9244-22 (Non-Regulated)</image:title>
      <image:caption>Ether, Anhydrous, BAKER ANALYZED ACS Reagent, 1 L Bottle, Baker 9244-22 (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9254-02_431dd127-79c9-4914-9812-8040526415d2.png?v=1786098519</image:loc>
      <image:title>Acetone, ULTRA RESI-ANALYZED, for Organic Residue Analysis, 1 L Glass Bottle, Baker 9254-02 (3, UN1090, P.G. II)</image:title>
      <image:caption>Acetone, ULTRA RESI-ANALYZED, for Organic Residue Analysis, 1 L Glass Bottle, Baker 9254-02 (3, UN1090, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9254-03_4a1ecc66-43c4-4d7a-826c-d64047ceb14d.png?v=1786098520</image:loc>
      <image:title>Acetone, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 4 L Glass Bottle, Baker 9254-03 (3, UN1090, P.G. II)</image:title>
      <image:caption>Acetone, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 4 L Glass Bottle, Baker 9254-03 (3, UN1090, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9257-02.png?v=1786098521</image:loc>
      <image:title>Chloroform, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 1 L Amber Glass Bottle, Baker 9257-02 (6.1, UN1888, P.G. III)</image:title>
      <image:caption>Chloroform, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 1 L Amber Glass Bottle, Baker 9257-02 (6.1, UN1888, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chloroform-for-organic-residue-analysis-ultra-resi-analyzed-4-l-amber-glass-bottle-baker-9257-03-6-1-un1888-p-g-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9257-03.png?v=1786506463</image:loc>
      <image:title>Chloroform, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 4 L Amber Glass Bottle, Baker 9257-03 (6.1, UN1888, P.G. III)</image:title>
      <image:caption>Chloroform, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 4 L Amber Glass Bottle, Baker 9257-03 (6.1, UN1888, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ethyl-ether-ultra-resi-analyzed-1-l-avantor-performance-materials-9259-02-3-un1155-pg-i</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9259-02.png?v=1786098524</image:loc>
      <image:title>Ethyl Ether Ultra Resi-Analyzed, 1 L,  Avantor Performance Materials, 9259-02, 3, UN1155, PG I</image:title>
      <image:caption>Ethyl Ether Ultra Resi-Analyzed, 1 L,  Avantor Performance Materials, 9259-02, 3, UN1155, PG I</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9260-02.png?v=1786098526</image:loc>
      <image:title>Ethyl Acetate, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 1 L Amber Glass Bottle, Baker 9260-02 (3, UN1173, P.G. II)</image:title>
      <image:caption>Ethyl Acetate, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 1 L Amber Glass Bottle, Baker 9260-02 (3, UN1173, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9262-02_b99dfe9a-a092-4d8a-b6b8-ea4332e7bb6e.png?v=1786098527</image:loc>
      <image:title>Hexane (Mixture of Isomers) &gt;/- 99.5% (n-Hexane &gt;/- 95%) ULTRA RESI-ANALYZEDT for Organic Residue Analysis, 1 L, Avantor Performance Materials, 9262-02</image:title>
      <image:caption>Hexane (Mixture of Isomers) &gt;/- 99.5% (n-Hexane &gt;/- 95%) ULTRA RESI-ANALYZEDT for Organic Residue Analysis, 1 L, Avantor Performance Materials, 9262-02</image:caption>
    </image:image>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9262-03.png?v=1786098529</image:loc>
      <image:title>Hexanes (95% n-hexane), for Organic Residue Analysis, ULTRA RESI-ANALYZED, 4 L Glass Bottle, Baker 9262-03 (3, UN1208, P.G. II)</image:title>
      <image:caption>Hexanes (95% n-hexane), for Organic Residue Analysis, ULTRA RESI-ANALYZED, 4 L Glass Bottle, Baker 9262-03 (3, UN1208, P.G. II)</image:caption>
    </image:image>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9263-02.png?v=1786098531</image:loc>
      <image:title>Methanol, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 1 L Glass Bottle, Baker 9263-02 (3, UN1230, P.G. II)</image:title>
      <image:caption>Methanol, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 1 L Glass Bottle, Baker 9263-02 (3, UN1230, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9263-03.png?v=1786098533</image:loc>
      <image:title>Methanol, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 4 L Glass Bottle, Baker 9263-03 (3, UN1230, P.G. II)</image:title>
      <image:caption>Methanol, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 4 L Glass Bottle, Baker 9263-03 (3, UN1230, P.G. II)</image:caption>
    </image:image>
  </url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9264-03.png?v=1787783596</image:loc>
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      <image:caption>Methylene Chloride, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 4 L Glass Bottle, Baker 9264-03 (6.1, UN1593, P.G. III)</image:caption>
    </image:image>
  </url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9268-03.png?v=1786098536</image:loc>
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      <image:caption>Petroleum Ether, 35-60 Degree C, BAKER ANALYZED ACS Reagent, 4 L Aluminum Bottle, Baker 9268-03 (3, UN1268, P.G. II)</image:caption>
    </image:image>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9282-02.png?v=1786098537</image:loc>
      <image:title>Ethyl Acetate, HPLC Grade, for use in Liquid Chromatography &amp; Spctrophotometry, 1 L Glass Bottle, Baker 9282-02 (3, UN1173, P.G. II)</image:title>
      <image:caption>Ethyl Acetate, HPLC Grade, for use in Liquid Chromatography &amp; Spctrophotometry, 1 L Glass Bottle, Baker 9282-02 (3, UN1173, P.G. II)</image:caption>
    </image:image>
  </url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9282-03.png?v=1786098538</image:loc>
      <image:title>Ethyl Acetate, HPLC Grade, for use in Liquid Chromatography &amp; Spctrophotometry, 4 L Glass Bottle, Baker 9282-03 (3, UN1173, P.G. II)</image:title>
      <image:caption>Ethyl Acetate, HPLC Grade, for use in Liquid Chromatography &amp; Spctrophotometry, 4 L Glass Bottle, Baker 9282-03 (3, UN1173, P.G. II)</image:caption>
    </image:image>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9304-03_ff3af3f0-e43a-4ea5-9c19-f185c4f1aa62.png?v=1786419173</image:loc>
      <image:title>Hexanes (95% n-hexane), HPLC, Baker 9304-03, 4 L Glass Bottle (3, UN1208, P.G. II)</image:title>
      <image:caption>Hexanes (95% n-hexane), HPLC, Baker 9304-03, 4 L Glass Bottle (3, UN1208, P.G. II)</image:caption>
    </image:image>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9304-33.png?v=1786098541</image:loc>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9309-03.png?v=1786098544</image:loc>
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      <image:caption>Hexanes, BAKER ANALYZED ACS Reagent, 4 L Glass Bottle, Baker 9309-03 (3, UN1208, P.G. II)</image:caption>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9315-03.png?v=1786098545</image:loc>
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      <image:caption>Methylene Chloride, HPLC Grade, for use in Liquid Chromatography, 4 L Glass Bottle, Baker 9315-03 (6.1, UN1593, P.G. III)</image:caption>
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    <changefreq>daily</changefreq>
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      <image:caption>n-Heptane, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 1 L Glass Bottle, Baker 9338-02 (3, UN1206, P.G. II)</image:caption>
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    <image:image>
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      <image:caption>n-Heptane, for Organic Residue Analysis, ULTRA RESI-ANALYZED, 4 L Glass Bottle, Baker 9338-03 (3, UN1206, P.G. II)</image:caption>
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    <image:image>
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      <image:caption>Toluene, for use in Liquid Chromatography, HPLC Grade, 4 L Glass Bottle, Baker 9351-03 (3, UN1294, P.G. II)</image:caption>
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      <image:caption>Hydrochloric acid 34 - 37% (w/w), BAKER INSTRA-ANALYZED Plus for trace metal analysis, 2.5 L, J.T.Baker, 9385-05</image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BKR-9401-01.png?v=1786098556</image:loc>
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      <image:caption>Alcohol, Anhydrous, Reagent, BAKER ANALYZED ACS Reagent, Baker 9401-01 (3, UN1987, P.G. II)</image:caption>
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      <image:caption>Alcohol, Anhydrous, Reagent, BAKER ANALYZED ACS Reagent, 4 L Glass Bottle, Baker 9401-03 (3, UN1987, P.G. II)</image:caption>
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      <image:caption>Alcohol, Anhydrous, Reagent, BAKER ANALYZED ACS Reagent, 1 L, Baker, 9401-22 (3, UN1987, P.G. II)</image:caption>
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      <image:caption>Sodium Hypochlorite Solution (5% Available Chlorine), BAKER ANALYZED Reagent, 500 mL Poly Bottle, Baker 9416-01 (Non-Regulated)</image:caption>
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      <image:caption>Sodium Hypochlorite Solution (5% Available Chlorine), BAKER ANALYZED Reagent, 4 L Poly Bottle, Baker 9416-03 (Non-Regulated)</image:caption>
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      <image:caption>Tetrahydrofuran, HPLC Grade, 4L Poly Coated Bottle Baker 9441-33 (3, UN2056, P.G. II)</image:caption>
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    <changefreq>daily</changefreq>
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      <image:caption>Toulene, BAKER ANALYZED ACS Reagent, 500 mL Glass Bottle, Baker 9460-01 (3, UN1293, P.G. II)</image:caption>
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      <image:caption>Toulene, BAKER ANALYZED ACS Reagent, 4 L Bottle, Baker 9460-03 (3, UN1293, P.G. II)</image:caption>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BRT-702858.png?v=1786098727</image:loc>
      <image:title>Reusable Pipette Tips for Transferpettor, 1 to 5mL, Non-Sterile, 10/PK, Brandtech, 702858</image:title>
      <image:caption>Reusable Pipette Tips for Transferpettor, 1 to 5mL, Non-Sterile, 10/PK, Brandtech, 702858</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/uv-cuvettes-disposable-semi-micro-500-pk-brandtech-759165</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BRT-759165.png?v=1786098729</image:loc>
      <image:title>UV Cuvettes, Disposable, Semi-Micro, 500/PK, Brandtech, 759165</image:title>
      <image:caption>UV Cuvettes, Disposable, Semi-Micro, 500/PK, Brandtech, 759165</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/uv-cuvettes-disposable-macro-100-pk-brandtech-759170</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BRT-759170_2fa7f95b-5c03-4b8d-b9a9-19fbae58c1bc.png?v=1786098730</image:loc>
      <image:title>UV Cuvettes, Disposable, Macro, 100/PK, Brandtech, 759170</image:title>
      <image:caption>UV Cuvettes, Disposable, Macro, 100/PK, Brandtech, 759170</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/polishing-cloth-nylon-8-in-diameter-psa-backing-10-pk-40-7068</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BUE-40-7068.png?v=1786098731</image:loc>
      <image:title>Polishing Cloth, Nylon, 8 in. Diameter, PSA Backing, 10/PK, 40-7068</image:title>
      <image:caption>Polishing Cloth, Nylon, 8 in. Diameter, PSA Backing, 10/PK, 40-7068</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/polishing-cloth-silk-8-in-psa-backing-40-7408</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/BUE-40-7408.png?v=1786098732</image:loc>
      <image:title>Polishing Cloth, Silk, 8 in., PSA Backing, 40-7408</image:title>
      <image:caption>Polishing Cloth, Silk, 8 in., PSA Backing, 40-7408</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/microscope-cover-glass-1-5-22-mm-x-40-mm-thickness-is-0-16-to-0-19mm-corning-2980-224</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/C-2980-224.png?v=1786098735</image:loc>
      <image:title>Microscope Cover Glass, #1.5, 22 mm x 40 mm, thickness is 0.16 to 0.19mm, Corning 2980-224.</image:title>
      <image:caption>Microscope Cover Glass, #1.5, 22 mm x 40 mm, thickness is 0.16 to 0.19mm, Corning 2980-224.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cylinder-pyrex-double-metric-scale-graduated-class-a-to-deliver-25-ml-corning-3023-25</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/C-3023-42.png?v=1786098736</image:loc>
      <image:title>Cylinder, Pyrex Double Metric Scale Graduated, Class A, To Deliver, 25 mL, Corning, 3023-25</image:title>
      <image:caption>Cylinder, Pyrex Double Metric Scale Graduated, Class A, To Deliver, 25 mL, Corning, 3023-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/replacement-adaptor-tube-for-kjeldahl-nitrogen-distillation-apparatus-1-cs-corning-3340-to</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/C-3340TO-01.png?v=1786098737</image:loc>
      <image:title>Replacement Adaptor Tube for Kjeldahl Nitrogen Distillation Apparatus, 1/CS, Corning, 3340-TO</image:title>
      <image:caption>Replacement Adaptor Tube for Kjeldahl Nitrogen Distillation Apparatus, 1/CS, Corning, 3340-TO</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pipet-pyrex-shorty-disposable-serological-with-cotton-plug-multi-pack-50-ml-corning-7078b-50</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/C-7078B-50.png?v=1786098739</image:loc>
      <image:title>Pipet, Pyrex, Shorty Disposable Serological, with Cotton Plug, Multi-Pack, 50 mL, Corning 7078B-50</image:title>
      <image:caption>Pipet, Pyrex, Shorty Disposable Serological, with Cotton Plug, Multi-Pack, 50 mL, Corning 7078B-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/thermometer-holder-rubber-1-cs-17-x-13-mm-corning-7715</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/C-7715-01.png?v=1786098740</image:loc>
      <image:title>Thermometer Holder, Rubber, 1/CS 17 x 13 mm, Corning, 7715</image:title>
      <image:caption>Thermometer Holder, Rubber, 1/CS 17 x 13 mm, Corning, 7715</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/viscosity-tubes-class-v-matched-tubes-between-10-50-and-11-00-mm-144-pk</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CAR-44100-GR_0d70f124-cd63-4233-bfed-3d5a43f731cf.png?v=1787196899</image:loc>
      <image:title>Viscosity Tubes, Class V, Matched Tubes, Between 10.50 and 11.00 mm, 144/PK</image:title>
      <image:caption>Viscosity Tubes, Class V, Matched Tubes, Between 10.50 and 11.00 mm, 144/PK</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/viscosity-tubes-class-v-10-75-score-marks-108-mm-100-mm</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CAR-44107-01.png?v=1786098744</image:loc>
      <image:title>Viscosity Tubes,  Class  V-10.75, Score Marks 108 mm, 100 mm</image:title>
      <image:caption>Viscosity Tubes,  Class  V-10.75, Score Marks 108 mm, 100 mm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-standard-jar-1-gallon-clear-glass-wide-mouth-110-400-neck-finish-106128fcd1</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-106128FCD1.png?v=1786098745</image:loc>
      <image:title>Bottle, Standard Jar, 1 gallon, Clear Glass, Wide Mouth, 110-400 Neck Finish, 106128FCD1</image:title>
      <image:caption>Bottle, Standard Jar, 1 gallon, Clear Glass, Wide Mouth, 110-400 Neck Finish, 106128FCD1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/standard-jar-clear-glass-70g-450-neck-mason-style-500-ml-16-oz-12-cs</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-10616FAD1_6d043200-ef97-40bd-a28f-cf84e726aeb9.png?v=1786098746</image:loc>
      <image:title>Standard Jar, Clear Glass, 70G-450 Neck (Mason Style), 500 mL/16 oz, 12/CS</image:title>
      <image:caption>Standard Jar, Clear Glass, 70G-450 Neck (Mason Style), 500 mL/16 oz, 12/CS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-oblong-wide-mouth-hdpe-8-oz-250-ml-uses-43-mm-cap-without-cap-250-cs-qec-0212-0008-shown-with-cap-attached</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-203250NH.png?v=1786098747</image:loc>
      <image:title>Bottle, Oblong, Wide Mouth, HDPE, 8 oz./250 mL, Uses 43 mm Cap, (without Cap), 250/CS QEC, 0212-0008  (Shown with Cap attached)</image:title>
      <image:caption>Bottle, Oblong, Wide Mouth, HDPE, 8 oz./250 mL, Uses 43 mm Cap, (without Cap), 250/CS QEC, 0212-0008  (Shown with Cap attached)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-oblong-wide-mouth-hdpe-16-oz-500-ml-uses-43-mm-cap-without-cap-160-cs-cinncinnati-container-203500nh</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-203500NH.png?v=1786098748</image:loc>
      <image:title>Bottle, Oblong, Wide Mouth, HDPE, 16 oz/500 mL, Uses 43 mm Cap, (without Cap), 160/CS Cinncinnati Container, 203500NH</image:title>
      <image:caption>Bottle, Oblong, Wide Mouth, HDPE, 16 oz/500 mL, Uses 43 mm Cap, (without Cap), 160/CS Cinncinnati Container, 203500NH</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-white-polypropylene-8-oz-without-cap-138-cs-3-1-2-in-high-x-2-3-4-in-diameter-70-400-thread-cap-required</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-20408W1_0b748f72-8f27-4e2b-9de2-36f7b55bcb59.png?v=1786098750</image:loc>
      <image:title>Bottle, Wide Mouth, White Polypropylene, 8 oz. without  Cap (138/CS) 3-1/2 in. High x 2-3/4 in. Diameter, 70-400 Thread Cap Required</image:title>
      <image:caption>Bottle, Wide Mouth, White Polypropylene, 8 oz. without  Cap (138/CS) 3-1/2 in. High x 2-3/4 in. Diameter, 70-400 Thread Cap Required</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/plastic-wide-mouth-polyethylene-jars-natural-16oz-328-cs</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-20516NH.png?v=1786098751</image:loc>
      <image:title>Plastic Wide Mouth Polyethylene Jars, Natural, 16oz, 328/CS</image:title>
      <image:caption>Plastic Wide Mouth Polyethylene Jars, Natural, 16oz, 328/CS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-white-pe-16-oz-without-cap-144-cs-3-1-2-in-high-x-3-5-8-in-diameter-89-400-thread-cap-required</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-20516WH1_1c6849bc-1357-4d43-b0c8-df576efacb77.png?v=1787628848</image:loc>
      <image:title>Bottle, Wide Mouth, White PE, 16 oz. without  Cap (144/CS) 3-1/2 in. High x 3-5/8 in. Diameter, 89-400 Thread Cap Required</image:title>
      <image:caption>Bottle, Wide Mouth, White PE, 16 oz. without  Cap (144/CS) 3-1/2 in. High x 3-5/8 in. Diameter, 89-400 Thread Cap Required</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-white-pe-32-oz-without-cap-164-cs-6-1-2-in-high-x-3-5-8-in-diameter-89-400-thread-cap-required</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-20532WH_c11abcc5-113b-4770-b30f-39adc437b9e7.png?v=1787628849</image:loc>
      <image:title>Bottle, Wide Mouth, White PE, 32 oz. without  Cap (164/CS) 6-1/2 in. High x 3-5/8 in. Diameter, 89-400 Thread Cap Required</image:title>
      <image:caption>Bottle, Wide Mouth, White PE, 32 oz. without  Cap (164/CS) 6-1/2 in. High x 3-5/8 in. Diameter, 89-400 Thread Cap Required</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/plastic-modern-rounds-narrow-mouth-16-oz-without-cap-28-410</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-20616NH.png?v=1786098755</image:loc>
      <image:title>Plastic Modern Rounds, Narrow Mouth, 16 oz without Cap (28-410)</image:title>
      <image:caption>Plastic Modern Rounds, Narrow Mouth, 16 oz without Cap (28-410)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-cylinder-style-2-oz-natural-20-410-neck-finish-900-cs</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-20902NH1_e10a3386-b572-4995-b95b-1d0f9f440db5.png?v=1787369707</image:loc>
      <image:title>Bottle, Cylinder Style, 2 oz, Natural, 20-410 Neck Finish, 900/CS</image:title>
      <image:caption>Bottle, Cylinder Style, 2 oz, Natural, 20-410 Neck Finish, 900/CS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pe-cylinder-bottle-8-oz-cap-90-2496-02-required</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-20908NH5_5513bdef-de2f-442a-91b2-21e821e2a2b6.png?v=1787369708</image:loc>
      <image:title>PE Cylinder Bottle, 8 oz. (Cap 90-2496-02 required)</image:title>
      <image:caption>PE Cylinder Bottle, 8 oz. (Cap 90-2496-02 required)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-cylinder-style-16-oz-natural-narrow-mouth-28-400-neck-finish-20916nhd5</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-20916NHD5.png?v=1787628851</image:loc>
      <image:title>Bottle, Cylinder Style, 16 oz, Natural, Narrow Mouth, 28-400 Neck Finish, 20916NHD5</image:title>
      <image:caption>Bottle, Cylinder Style, 16 oz, Natural, Narrow Mouth, 28-400 Neck Finish, 20916NHD5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-oblong-wide-mouth-hdpe-34-oz-1000-ml-uses-53-mm-cap-without-cap-82-cs-qec-0212-0034-shown-with-cap-attached</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-21132NH1.png?v=1786098760</image:loc>
      <image:title>Bottle, Oblong, Wide Mouth, HDPE, 34 oz./1000 mL, Uses 53 mm Cap, (without Cap), 82/CS QEC, 0212-0034  (Shown with Cap Attached)</image:title>
      <image:caption>Bottle, Oblong, Wide Mouth, HDPE, 34 oz./1000 mL, Uses 53 mm Cap, (without Cap), 82/CS QEC, 0212-0034  (Shown with Cap Attached)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/high-density-polyethylene-natural-round-jugs-1-gal-48-cs-without-caps-38-400</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-215N2_b6c4c2c1-a932-462f-b455-6a4ff00fedb7.png?v=1786098761</image:loc>
      <image:title>High Density Polyethylene, Natural, Round Jugs, 1 gal, 48/CS without Caps (38-400)</image:title>
      <image:caption>High Density Polyethylene, Natural, Round Jugs, 1 gal, 48/CS without Caps (38-400)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/trigger-sprayer-red-stream-28-400-continuous-thread-cincinnati-container-240287rw1</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-240287RW_26ecc523-b2b9-46ba-ac74-95d840704766.png?v=1786098763</image:loc>
      <image:title>Trigger Sprayer, Red, Stream, 28-400 Continuous Thread, Cincinnati Container, 240287RW1</image:title>
      <image:caption>Trigger Sprayer, Red, Stream, 28-400 Continuous Thread, Cincinnati Container, 240287RW1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pump-dispensers-continuous-thread-28-410-thread-size</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-24228W512.png?v=1786098764</image:loc>
      <image:title>Pump Dispensers, Continuous Thread, 28-410 Thread Size</image:title>
      <image:caption>Pump Dispensers, Continuous Thread, 28-410 Thread Size</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/metal-paint-can-unlined-with-plug-lid-no-handle-1-qt-56-cs-300032</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-3000324.png?v=1786098765</image:loc>
      <image:title>Metal Paint Can, Unlined with Plug Lid, No Handle, 1 Qt., 56/CS, 300032</image:title>
      <image:caption>Metal Paint Can, Unlined with Plug Lid, No Handle, 1 Qt., 56/CS, 300032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/metal-paint-can-unlined-with-plug-no-handle-1-gal-34-cs-300128</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-3001284.png?v=1786098766</image:loc>
      <image:title>Metal Paint Can, Unlined with Plug, No Handle, 1 gal, 34/CS, 300128</image:title>
      <image:caption>Metal Paint Can, Unlined with Plug, No Handle, 1 gal, 34/CS, 300128</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/paint-can-metal-lined-1-2-pint-86-cs-cincinnati-container-301008</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-301008.png?v=1786098768</image:loc>
      <image:title>Paint Can, Metal, Lined, 1/2 Pint , 86/CS, Cincinnati Container, 301008</image:title>
      <image:caption>Paint Can, Metal, Lined, 1/2 Pint , 86/CS, Cincinnati Container, 301008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-metal-110-mm-110-450-thread-with-polyethylene-faced-pulpboard-liner-400-cs-cincinnati-container-co-400110pe1-representative-image</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-400110PE.png?v=1786098769</image:loc>
      <image:title>Cap, Metal, 110 mm, 110-450 Thread, with Polyethylene-Faced Pulpboard Liner, 400/CS, Cincinnati Container Co., 400110PE1 (Representative Image)</image:title>
      <image:caption>Cap, Metal, 110 mm, 110-450 Thread, with Polyethylene-Faced Pulpboard Liner, 400/CS, Cincinnati Container Co., 400110PE1 (Representative Image)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-cap-white-polypropylene-20-410-f-217-liner</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50220TSD1_92361aa8-c2cb-44b5-8df8-f4216d2b962e.png?v=1787369711</image:loc>
      <image:title>Bottle Cap, White, Polypropylene, 20-410, F-217 Liner</image:title>
      <image:caption>Bottle Cap, White, Polypropylene, 20-410, F-217 Liner</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-white-pp-with-polyethylene-foam-liner-24-mm-24-410-thread-5500-cs-cincinnati-container-co-50224tsd1</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50224TSD1.png?v=1786098771</image:loc>
      <image:title>Cap, White PP with Polyethylene Foam Liner, 24 mm, 24-410 Thread, 5500/CS, Cincinnati Container Co., 50224TSD1</image:title>
      <image:caption>Cap, White PP with Polyethylene Foam Liner, 24 mm, 24-410 Thread, 5500/CS, Cincinnati Container Co., 50224TSD1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/caps-white-plastic-with-f217-polyethylene-foam-liner-28-400-continuous-thread-50228ts</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50228TS.png?v=1786098772</image:loc>
      <image:title>Caps, White Plastic with F217 Polyethylene Foam Liner, 28-400 Continuous Thread, 50228TS</image:title>
      <image:caption>Caps, White Plastic with F217 Polyethylene Foam Liner, 28-400 Continuous Thread, 50228TS</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-polypropylene-white-with-f217-liner-53-400-pressure-sensitive</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50253TS.png?v=1786098774</image:loc>
      <image:title>Cap, Polypropylene, White, with F217 liner, 53-400, Pressure Sensitive.</image:title>
      <image:caption>Cap, Polypropylene, White, with F217 liner, 53-400, Pressure Sensitive.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-polypropylene-white-63-mm-with-f217-liner</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50263TS_6247f257-a877-4f7e-b9bc-8257f914d6e1.png?v=1786098775</image:loc>
      <image:title>Cap, Polypropylene, White, 63 mm, with F217 liner</image:title>
      <image:caption>Cap, Polypropylene, White, 63 mm, with F217 liner</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-cap-white-pp-70-400-unlined-representative-image</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50270NL1.png?v=1786098776</image:loc>
      <image:title>Bottle Cap, White, PP, 70-400, Unlined (Representative Image)</image:title>
      <image:caption>Bottle Cap, White, PP, 70-400, Unlined (Representative Image)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-white-molded-polypropylene-with-no-liner-70-400-neck-finish-50270nl3</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50270NL3_48361984-7356-437c-9460-15e76dda9e25.png?v=1786098779</image:loc>
      <image:title>Cap, White Molded Polypropylene with No Liner, 70-400 Neck Finish, 50270NL3</image:title>
      <image:caption>Cap, White Molded Polypropylene with No Liner, 70-400 Neck Finish, 50270NL3</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-cap-white-polypropylene-70-450-unlined</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50270NLD1.png?v=1786098780</image:loc>
      <image:title>Bottle Cap, White, Polypropylene, 70-450, Unlined</image:title>
      <image:caption>Bottle Cap, White, Polypropylene, 70-450, Unlined</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-cap-white-polypropylene-70-mm-f217-liner</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50270TS1.png?v=1786098781</image:loc>
      <image:title>Bottle Cap, White, Polypropylene, 70 mm, F217 Liner</image:title>
      <image:caption>Bottle Cap, White, Polypropylene, 70 mm, F217 Liner</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-cap-white-polypropylene-89-mm-f217-liner</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50289TS.png?v=1787628853</image:loc>
      <image:title>Bottle Cap, White, Polypropylene, 89 mm, F217 Liner</image:title>
      <image:caption>Bottle Cap, White, Polypropylene, 89 mm, F217 Liner</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-plastic-dispensing-ps113-foam-liner-28-mm-for-28-410-neck-finish-ea</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-50428PT1.png?v=1786098784</image:loc>
      <image:title>Cap, Plastic Dispensing, PS113 Foam Liner, 28 mm for 28-410  Neck Finish, EA</image:title>
      <image:caption>Cap, Plastic Dispensing, PS113 Foam Liner, 28 mm for 28-410  Neck Finish, EA</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bucket-hdpe-plastic-without-lid-1-2-gallon-275-cs-cincinnati-container-7041p-for-snap-on-lid-order-ccc-l8731-special-pricing-available-in-less-than-case-quantities</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-7041P.png?v=1786098785</image:loc>
      <image:title>Bucket, HDPE Plastic without Lid 1/2 Gallon, 275/CS, Cincinnati Container, 7041P [FOR SNAP ON LID ORDER CCC-L8731]-[SPECIAL PRICING AVAILABLE IN LESS THAN CASE QUANTITIES!]</image:title>
      <image:caption>Bucket, HDPE Plastic without Lid 1/2 Gallon, 275/CS, Cincinnati Container, 7041P [FOR SNAP ON LID ORDER CCC-L8731]-[SPECIAL PRICING AVAILABLE IN LESS THAN CASE QUANTITIES!]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-32-oz-clear-pet-108-cs-cincinnati-container-b0732c3</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-B0732C3_d8f651c9-57ee-4779-a541-1a1a05372f9e.png?v=1786506477</image:loc>
      <image:title>Bottle, 32 oz. Clear PET, 108/CS, Cincinnati Container, B0732C3</image:title>
      <image:caption>Bottle, 32 oz. Clear PET, 108/CS, Cincinnati Container, B0732C3</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cap-metal-with-polyvinyl-liner-70-450-representative-image</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-D0070PED.png?v=1786098787</image:loc>
      <image:title>Cap, Metal with Polyvinyl Liner, 70-450 [Representative Image]</image:title>
      <image:caption>Cap, Metal with Polyvinyl Liner, 70-450 [Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-hdpe-53-mm-neck-500-ml-without-cap-shown-with-cap-attached</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-HDS76825.png?v=1786506478</image:loc>
      <image:title>Bottle, Wide Mouth HDPE, 53 mm Neck, 500 mL, without  Cap, (Shown with Cap attached)</image:title>
      <image:caption>Bottle, Wide Mouth HDPE, 53 mm Neck, 500 mL, without  Cap, (Shown with Cap attached)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottle-wide-mouth-hdpe-63-mm-neck-1000-cc-32-oz-without-cap-qec-0213-0032</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-HDS77439_8e28c5f3-9751-4306-9cc0-24d04bff4ab5.png?v=1786098790</image:loc>
      <image:title>Bottle, Wide Mouth HDPE, 63 mm Neck, 1000 cc (32 oz.), without  Cap, QEC, 0213-0032</image:title>
      <image:caption>Bottle, Wide Mouth HDPE, 63 mm Neck, 1000 cc (32 oz.), without  Cap, QEC, 0213-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hdpe-plastic-snap-lid-for-1-2-gallon-bucket-360-cs-cincinnati-container-l8731-for-1-2-gallon-bucket-order-ccc-7041p-special-pricing-available-in-less-than-case-quantities</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCC-L8731.png?v=1786098791</image:loc>
      <image:title>HDPE Plastic Snap Lid for 1/2 Gallon Bucket, 360/CS, Cincinnati Container, L8731 [FOR 1/2 Gallon Bucket ORDER CCC-7041P]-[SPECIAL PRICING AVAILABLE IN LESS THAN CASE QUANTITIES!]</image:title>
      <image:caption>HDPE Plastic Snap Lid for 1/2 Gallon Bucket, 360/CS, Cincinnati Container, L8731 [FOR 1/2 Gallon Bucket ORDER CCC-7041P]-[SPECIAL PRICING AVAILABLE IN LESS THAN CASE QUANTITIES!]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/acetic-acid-glacial-acs-8-un2789-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01510-030.png?v=1786098793</image:loc>
      <image:title>Acetic Acid, Glacial, ACS (8, UN2789, P.G. II)</image:title>
      <image:caption>Acetic Acid, Glacial, ACS (8, UN2789, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/acetic-acid-glacial-acs-2-5-l-bottle-8-un2789-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01510-055.png?v=1786098796</image:loc>
      <image:title>Acetic Acid, Glacial, ACS 2.5 L Bottle (8, UN2789, P.G. II)</image:title>
      <image:caption>Acetic Acid, Glacial, ACS 2.5 L Bottle (8, UN2789, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/acetic-acid-glacial-acs-3-8-l-poly-bottle-8-un2789-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01510-070.png?v=1787715289</image:loc>
      <image:title>Acetic Acid, Glacial, ACS 3.8 L Poly Bottle (8, UN2789, P.G. II)</image:title>
      <image:caption>Acetic Acid, Glacial, ACS 3.8 L Poly Bottle (8, UN2789, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/acetone-acs-in-a-3-8-l-poly-bottle-3-un1090-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01560-070_8e3d6ebc-3327-4cb6-89ee-afdbac0582da.png?v=1786764878</image:loc>
      <image:title>Acetone, ACS in a 3.8 L Poly Bottle (3, UN1090, P.G. II)</image:title>
      <image:caption>Acetone, ACS in a 3.8 L Poly Bottle (3, UN1090, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/acetone-acs-reagent-4l-poly-bottle-3-un1090-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01560-080.png?v=1786098801</image:loc>
      <image:title>Acetone, ACS Reagent 4L Poly Bottle, Columbus Chemical Industries, 0105HB</image:title>
      <image:caption>Acetone, ACS Reagent 4L Poly Bottle, Columbus Chemical Industries, 0105HB</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ammonium-chloride-acs-granular-in-a-500-gram-poly-bottle-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01742-010.png?v=1786098802</image:loc>
      <image:title>Ammonium Chloride, ACS, Granular in a 500 gram Poly Bottle (Non-Regulated)</image:title>
      <image:caption>Ammonium Chloride, ACS, Granular in a 500 gram Poly Bottle (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ammonium-chloride-acs-granular-2-5-kg-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01742-200_1840a4ad-9c8a-42eb-ba31-cb373a2d23fe.png?v=1787110478</image:loc>
      <image:title>Ammonium Chloride, ACS, Granular, 2.5 kg (Non-Regulated)</image:title>
      <image:caption>Ammonium Chloride, ACS, Granular, 2.5 kg (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ammonium-nitrate-granular-acs-grade-500-g-un1942-5-1-pg-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01862-010_787072d9-6d41-45d8-ab19-c9a1293afea4.png?v=1786098806</image:loc>
      <image:title>Ammonium Nitrate, Granular, ACS Grade, 500 g [UN1942, 5.1, PG III]</image:title>
      <image:caption>Ammonium Nitrate, Granular, ACS Grade, 500 g [UN1942, 5.1, PG III]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ammonium-hydroxide-acs-in-a-500-ml-poly-bottle-8-un2672-p-g-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01890-033.png?v=1786098807</image:loc>
      <image:title>Ammonium Hydroxide, ACS, 500 mL Poly Bottle, Columbus Chemical Industries, 01890-033</image:title>
      <image:caption>Ammonium Hydroxide, ACS, 500 mL Poly Bottle, Columbus Chemical Industries, 01890-033</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ammonium-hydroxide-acs-3-8-l-poly-bottle8-un2672-p-g-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01890-070.png?v=1786098809</image:loc>
      <image:title>Ammonium Hydroxide, ACS 3.8 L Poly Bottle(8, UN2672, P.G. III)</image:title>
      <image:caption>Ammonium Hydroxide, ACS 3.8 L Poly Bottle(8, UN2672, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ammonium-persulfate-crystal-acs-in-a-500-gram-poly-bottle-5-1-un1444-p-g-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-01933-010.png?v=1786098811</image:loc>
      <image:title>Ammonium Persulfate, Crystal, ACS in a 500 gram Poly Bottle (5.1, UN1444, P.G. III)</image:title>
      <image:caption>Ammonium Persulfate, Crystal, ACS in a 500 gram Poly Bottle (5.1, UN1444, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/l-ascorbic-acid-fine-crystal-usp-fcc-500-g-poly-bottle-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-02362-010.png?v=1786098813</image:loc>
      <image:title>L-Ascorbic Acid, Fine Crystal, USP/FCC, 500 g Poly Bottle (Non-Regulated)</image:title>
      <image:caption>L-Ascorbic Acid, Fine Crystal, USP/FCC, 500 g Poly Bottle (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/boric-acid-granular-acs-poly-bottle-of-2-5-kg-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-11323-200.png?v=1786098815</image:loc>
      <image:title>Boric Acid, Granular, ACS (Poly Bottle of 2.5 kg) (Non-Regulated)</image:title>
      <image:caption>Boric Acid, Granular, ACS (Poly Bottle of 2.5 kg) (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/calcium-chloride-dihydrate-powder-acs-sold-by-each-each-500-gm-bottle-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-11672-010_595d9a50-a921-4fa8-9acc-7674e2b88fd6.png?v=1786098816</image:loc>
      <image:title>Calcium Chloride, Dihydrate, Powder, ACS, 500 g, Columbus Chemical Industries, 110500-80101</image:title>
      <image:caption>Calcium Chloride, Dihydrate, Powder, ACS, 500 g, Columbus Chemical Industries, 110500-80101</image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-12460-080.png?v=1786098818</image:loc>
      <image:title>Ethylene Glycol, Reagent (Glass Bottle of 4 L) (Non-Regulated)</image:title>
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      <image:caption>EDTA, Free Acid, ACS in a 125 gram Poly Bottle (Non-Regulated)</image:caption>
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      <image:caption>EDTA, Disodium Salt, Dihydrate, ACS, Columbus Chemical Industries, 12475-010</image:caption>
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      <image:title>Glycerin, Anhydrous, ACS, 500 mL Poly Bottle (Glycerol), Columbus Chemical Industries, 243500-80601</image:title>
      <image:caption>Glycerin, Anhydrous, ACS, 500 mL Poly Bottle (Glycerol), Columbus Chemical Industries, 243500-80601</image:caption>
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      <image:title>Glycerin, Anhydrous, ACS, 3.8 L Poly Bottle (Glycerol) (Non-Regulated)</image:title>
      <image:caption>Glycerin, Anhydrous, ACS, 3.8 L Poly Bottle (Glycerol) (Non-Regulated)</image:caption>
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      <image:caption>Hexanes, ACS, 20 L Steel Drum, Columbus Chemical Industries, 253500-36902</image:caption>
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      <image:title>Hydrochloric Acid, ACS in a 500 mL Glass Bottle (8, UN1789, P.G. II)</image:title>
      <image:caption>Hydrochloric Acid, ACS in a 500 mL Glass Bottle (8, UN1789, P.G. II)</image:caption>
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      <image:caption>Hydrochloric Acid, ACS in a 2.5 L Glass Bottle (8, UN1789, P.G. II)</image:caption>
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      <image:caption>Hydrochloric Acid, ACS, 2.5 L   (8, UN1789, P.G. II)</image:caption>
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      <image:title>Hydrochloric Acid, ACS in a 3.8 L Poly Bottle (8, UN1789, P.G. II)</image:title>
      <image:caption>Hydrochloric Acid, ACS in a 3.8 L Poly Bottle (8, UN1789, P.G. II)</image:caption>
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      <image:caption>Hydrochloric Acid, ACS, 3.8 L, (8, UN1789, P.G. II)</image:caption>
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      <image:caption>Hydrochloric Acid, ACS (19 L Poly Carboy) (8, UN1789, P.G. II)</image:caption>
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    <changefreq>daily</changefreq>
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      <image:caption>Magnesium Sulfate, Heptahydrate, Crystal, ACS in a 500 gram Poly Bottle, Columbus Chemical Industries, 12993-010</image:caption>
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      <image:caption>Hydrofluoric Acid, 48%, ACS in a 3.8 L Poly Bottle (8, UN1790, P.G. II)</image:caption>
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  </url>
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      <image:caption>Hydrogen Peroxide, 30%, ACS 473 mL Poly Bottle (5.1, UN2014, P.G. II)</image:caption>
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      <image:caption>Hydrogen Peroxide, 30%, ACS, 473 mL Poly Bottle (5.1, UN2014, P.G. II)</image:caption>
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  <url>
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      <image:caption>Hydrogen Peroxide, 30%, ACS, 3.8 L Poly Bottle (5.1, UN2014, P.G. II)</image:caption>
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      <image:caption>Hydrogen Peroxide, 30%, ACS 3.8 L Poly Bottle (5.1, UN2014, P.G. II)</image:caption>
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      <image:caption>Hydrogen Peroxide, 30%, ACS, 19 L Poly Carboy, Columbus Chemical Industries. 2665QL</image:caption>
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    <changefreq>daily</changefreq>
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      <image:caption>Isopropyl Alcohol, ACS Reagent, 500 mL Glass Bottle, Columbus Chemical Industries, CH2850-S</image:caption>
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    <changefreq>daily</changefreq>
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      <image:caption>Magnesium Chloride, Hexahydrate, ACS, Crystal, Columbus Chemical Industries, 317500-80101</image:caption>
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    <image:image>
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      <image:caption>Magnesium Chloride, ACS, Crystal 2.5 kg Poly Bottle, Columbus Chemical Industries, 3175NG</image:caption>
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      <image:caption>Manganese Sulfate, Monohydrate, ACS, 500 g Poly Bottle, Columbus Chemical Industries, 13801-010</image:caption>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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      <image:caption>Methyl Alcohol, Anhydrous, ACS, 4 L Poly Bottle, Columbus Chemical Industries, 3475HB</image:caption>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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    <image:image>
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      <image:title>Petroleum Ether, 35-60 Degree C, ACS (Sold by Each / Each = 4 L Glass Bottle) (3, UN1268, P.G. II)</image:title>
      <image:caption>Petroleum Ether, 35-60 Degree C, ACS (Sold by Each / Each = 4 L Glass Bottle) (3, UN1268, P.G. II)</image:caption>
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      <image:title>Phenolphthalein, ACS, Powder, 125 gram Poly Bottle, Columbus Chemical Industries, 400500-80103</image:title>
      <image:caption>Phenolphthalein, ACS, Powder, 125 gram Poly Bottle, Columbus Chemical Industries, 400500-80103</image:caption>
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      <image:title>Phosphoric Acid, 85%, ACS 500 mL(8, UN1805, P.G. III)</image:title>
      <image:caption>Phosphoric Acid, 85%, ACS 500 mL(8, UN1805, P.G. III)</image:caption>
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      <image:title>Phosphoric Acid, 85%, ACS 500 mL (8, UN1805, P.G. III)</image:title>
      <image:caption>Phosphoric Acid, 85%, ACS 500 mL (8, UN1805, P.G. III)</image:caption>
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      <image:caption>Phosphoric Acid, 85%, ACS 3.8 L Poly Bottle(8, UN1805, P.G. III)</image:caption>
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      <image:title>Phosphoric Acid, 85%, ACS (Sold by Each / Each = Ventflo Carboy of 19 L) (8, UN1805, P.G. III)</image:title>
      <image:caption>Phosphoric Acid, 85%, ACS (Sold by Each / Each = Ventflo Carboy of 19 L) (8, UN1805, P.G. III)</image:caption>
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      <image:title>Potassium Chloride, ACS, Crystal in a 500 gram Poly Bottle (Non-Regulated)</image:title>
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      <image:caption>Potassium Ferricyanide, Crystal, ACS, 125 Grams Poly Bottle, Columbus Chemical Industries, 429500-80103</image:caption>
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    <image:image>
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      <image:title>Potassium Iodide, ACS, Granular (Poly Bottle of 125 Grams) (Non-Regulated)</image:title>
      <image:caption>Potassium Iodide, ACS, Granular (Poly Bottle of 125 Grams) (Non-Regulated)</image:caption>
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    <changefreq>daily</changefreq>
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    <image:image>
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      <image:caption>Potassium Nitrate, ACS, Crystal 2.5 kg Poly Bottle (5.1, UN1486, P.G. III)</image:caption>
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    <image:image>
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      <image:caption>Potassium Permanganate, ACS, Crystal (Sold by Each / Each = 500 Gram Poly Bottle) (5.1, UN1490, P.G. II)</image:caption>
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      <image:caption>Potassium Phosphate, Dibasic, Anhydrous, Powder, ACS, 500 gm Poly Bottle, Columbus Chemical Industries, 446500-80101</image:caption>
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      <image:title>Potassium Phosphate, Monobasic, Crystal, ACS 500 gram Poly Bottle, Columbus Chemical Industries, 447500-80101</image:title>
      <image:caption>Potassium Phosphate, Monobasic, Crystal, ACS 500 gram Poly Bottle, Columbus Chemical Industries, 447500-80101</image:caption>
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      <image:title>Potassium Phosphate, Monobasic, ACS, Crystal, 2.5 kg Poly Bottle, Columbus Chemical Industries, 4475NG</image:title>
      <image:caption>Potassium Phosphate, Monobasic, ACS, Crystal, 2.5 kg Poly Bottle, Columbus Chemical Industries, 4475NG</image:caption>
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      <image:caption>Sodium Acetate, Anhydrous, ACS, Powder, 500 gram Poly Bottle, Columbus Chemical Industries, CCI-15361-010</image:caption>
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      <image:caption>Sodium Acetate, Trihydrate, ACS, Crystal in a 500 gram Poly Bottle (Non-Regulated)</image:caption>
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      <image:caption>Sodium Carbonate, Anhydrous, ACS, Granular (Sold by Each / Each = 500 Gram Poly Bottle) (Non-Regulated)</image:caption>
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      <image:caption>Sulfuric Acid, ACS, Single 2.5 L Glass Shipper Bottle (8, UN1830, P.G. II)</image:caption>
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      <image:caption>Sulfuric Acid, ACS (Poly Bottle of 3.8 L) (8, UN1830, P.G. II)</image:caption>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-63535-067_014fbd9f-90df-4d4c-9253-51d20fb70a21.png?v=1786098962</image:loc>
      <image:title>Sodium Hydroxide, 5.00 Normal, 1 L, Columbus Chemical Industries, 966100-80101</image:title>
      <image:caption>Sodium Hydroxide, 5.00 Normal, 1 L, Columbus Chemical Industries, 966100-80101</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sodium-hydroxide-5-00-normal-sold-by-each-each-4-l-8-un1824-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CCI-63535-080.png?v=1786098964</image:loc>
      <image:title>Sodium Hydroxide, 5.00 Normal (Sold by Each / Each = 4 L) (8, UN1824, P.G. II)</image:title>
      <image:caption>Sodium Hydroxide, 5.00 Normal (Sold by Each / Each = 4 L) (8, UN1824, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/20-ml-quartz-fiber-crucible-cover-200-pk-cem-corporation-201600</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CEM-201600_ea9e45de-8f10-470e-8b66-e8373d64183c.png?v=1786678476</image:loc>
      <image:title>20 mL Quartz-Fiber Crucible Cover, 200/PK, CEM Corporation, 201600</image:title>
      <image:caption>20 mL Quartz-Fiber Crucible Cover, 200/PK, CEM Corporation, 201600</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/quartz-fiber-crucibles-44-mm-diameter-20-ml-capacity-100-pk</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CEM-303040_4fed20e5-f5f4-4f57-92b6-c46654a174d8.png?v=1786098967</image:loc>
      <image:title>Quartz Fiber Crucibles, 44 mm Diameter, 20 mL Capacity (100/PK)</image:title>
      <image:caption>Quartz Fiber Crucibles, 44 mm Diameter, 20 mL Capacity (100/PK)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/thermometer-non-mercury-safety-lab-thermometers-3-76-mm-immersion-whiteback-30-to-120-degrees-f-with-certificate-of-traceability-chase-instruments-3316toc</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHS-3316COT.png?v=1786098969</image:loc>
      <image:title>Thermometer, Non-Mercury Safety Lab Thermometers, 3&quot; (76 mm) Immersion, (Whiteback), -30 to 120 degrees F, with Certificate of Traceability, Chase Instruments, 3316TOC</image:title>
      <image:caption>Thermometer, Non-Mercury Safety Lab Thermometers, 3&quot; (76 mm) Immersion, (Whiteback), -30 to 120 degrees F, with Certificate of Traceability, Chase Instruments, 3316TOC</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/scintillation-vials-with-caps-20-ml</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHS-332757S3.png?v=1786098970</image:loc>
      <image:title>Scintillation Vials with Caps, 20 mL</image:title>
      <image:caption>Scintillation Vials with Caps, 20 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sample-cups-25-ml-for-use-with-visual-colorimeter-test-kits-chemetrics-inc-a-0013</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A0013-01.png?v=1786098971</image:loc>
      <image:title>Sample Cups, 25 mL, for use with Visual Colorimeter Test Kits, Chemetrics, Inc., A-0013</image:title>
      <image:caption>Sample Cups, 25 mL, for use with Visual Colorimeter Test Kits, Chemetrics, Inc., A-0013</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ampoule-blank-pack-5-pk-chemetrics-inc-a-0023</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A0023_383dfecb-7bc1-470c-8a12-4468e4f02e09.png?v=1786098972</image:loc>
      <image:title>Ampoule Blank Pack, 5/PK, Chemetrics, Inc., A-0023</image:title>
      <image:caption>Ampoule Blank Pack, 5/PK, Chemetrics, Inc., A-0023</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stabilizer-solution-for-ammonia-visual-colorimeter-analysis-shelf-life-2-years-chemetrics-inc-a-1500</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A1500-01_57c5658d-9041-4656-bf5d-a64bdbd82144.png?v=1786098973</image:loc>
      <image:title>Stabilizer Solution, for Ammonia, Visual Colorimeter Analysis, Shelf-life 2 Years, Chemetrics, Inc., A-1500</image:title>
      <image:caption>Stabilizer Solution, for Ammonia, Visual Colorimeter Analysis, Shelf-life 2 Years, Chemetrics, Inc., A-1500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/activator-solution-for-chlorine-visual-colorimeter-analysis-shelf-life-2-years-6-bottles-each-chemetrics-a-2500-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A2500-01_32889d75-1a12-4eb3-bfdc-25e6f9293d34.png?v=1786764889</image:loc>
      <image:title>Activator Solution, for Chlorine, Visual Colorimeter Analysis, Shelf-life 2 years, 6 Bottles/Each, CHEMetrics, A-2500 Non-regulated</image:title>
      <image:caption>Activator Solution, for Chlorine, Visual Colorimeter Analysis, Shelf-life 2 years, 6 Bottles/Each, CHEMetrics, A-2500 Non-regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/activator-solution-for-formaldehyde-visual-colorimetric-analysis-chemetrics-inc-a-4201</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A4201.png?v=1786098976</image:loc>
      <image:title>Activator Solution, for Formaldehyde, Visual Colorimetric Analysis, Chemetrics, Inc., A-4201</image:title>
      <image:caption>Activator Solution, for Formaldehyde, Visual Colorimetric Analysis, Chemetrics, Inc., A-4201</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/formaldehyde-activator-solution-pack-200-tests-6-x-10-ml-chemetrics-inc-a-4202-9-un3316-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A4202_0649445a-9e36-43ed-8271-323429ec9a02.png?v=1786098977</image:loc>
      <image:title>Formaldehyde Activator Solution Pack, 200 Tests, 6 x 10 mL, Chemetrics, Inc., A-4202, 9, UN3316, PG II</image:title>
      <image:caption>Formaldehyde Activator Solution Pack, 200 Tests, 6 x 10 mL, Chemetrics, Inc., A-4202, 9, UN3316, PG II</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/activator-solution-for-glycol-visual-colorimeter-analysis-chemetrics-inc-a-4400</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A4400.png?v=1786098978</image:loc>
      <image:title>Activator Solution, for Glycol, Visual Colorimeter Analysis, Chemetrics, Inc., A-4400</image:title>
      <image:caption>Activator Solution, for Glycol, Visual Colorimeter Analysis, Chemetrics, Inc., A-4400</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glycol-activator-solution-pack-dry-200-tests-6-x-10-ml-chemetrics-inc-a-4401-9-un3316-pg-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A4401_1f3410a4-6580-4c54-ad14-28bccd9b3deb.png?v=1786098980</image:loc>
      <image:title>Glycol Activator Solution Pack, Dry, 200 Tests, 6 x 10 mL, Chemetrics, Inc., A-4401  9, UN3316, PG III</image:title>
      <image:caption>Glycol Activator Solution Pack, Dry, 200 Tests, 6 x 10 mL, Chemetrics, Inc., A-4401  9, UN3316, PG III</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glycol-activator-solution-pack-200-tests-6-x-10-ml-chemetrics-inc-a-4402-9-un3316-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A4402.png?v=1786098981</image:loc>
      <image:title>Glycol Activator Solution Pack, 200 Tests, 6 x 10 mL, Chemetrics, Inc., A-4402  9, UN3316, PG II</image:title>
      <image:caption>Glycol Activator Solution Pack, 200 Tests, 6 x 10 mL, Chemetrics, Inc., A-4402  9, UN3316, PG II</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cod-photometer-high-range-0-1500-0-15000-ppm-chemetrics-inc-a7325</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A7325_9e56e2b3-bf2e-45ef-bec7-1da7e665fcd4.png?v=1787024054</image:loc>
      <image:title>COD Photometer, High Range, 0-1500 &amp; 0-15000 ppm, Chemetrics, Inc., A7325</image:title>
      <image:caption>COD Photometer, High Range, 0-1500 &amp; 0-15000 ppm, Chemetrics, Inc., A7325</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/peracetic-acid-activator-solution-200-tests-6-x-10-ml-chemetrics-inc-a-7900-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A7900.png?v=1786098984</image:loc>
      <image:title>Peracetic Acid Activator Solution, 200 Tests, 6 x 10 mL, Chemetrics, Inc., A-7900  Non-Regulated</image:title>
      <image:caption>Peracetic Acid Activator Solution, 200 Tests, 6 x 10 mL, Chemetrics, Inc., A-7900  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/phosphate-activator-solution-pack-200-tests-6-x-10-ml-chemetrics-inc-a-8500-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A8500-01.png?v=1786098986</image:loc>
      <image:title>Phosphate Activator Solution Pack, 200 Tests, 6 x 10 mL, Chemetrics, Inc., A-8500  Non-Regulated</image:title>
      <image:caption>Phosphate Activator Solution Pack, 200 Tests, 6 x 10 mL, Chemetrics, Inc., A-8500  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sulfide-activator-solution-6-x-10-ml-for-200-tests-a-9500</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-A9500.png?v=1786098987</image:loc>
      <image:title>Sulfide Activator Solution, 6 x 10 mL, for 200 Tests, A-9500</image:title>
      <image:caption>Sulfide Activator Solution, 6 x 10 mL, for 200 Tests, A-9500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/comparator-ammonia-low-range-0-0-1-0-ppm-chemetrics-inc-c-1501-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-C-1501_98cd0779-d67c-4b7d-8dc0-71885879206c.png?v=1786098989</image:loc>
      <image:title>Comparator-Ammonia, Low Range, 0.0-1.0 ppm, Chemetrics, Inc., C-1501  Non-Regulated</image:title>
      <image:caption>Comparator-Ammonia, Low Range, 0.0-1.0 ppm, Chemetrics, Inc., C-1501  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/comparator-ammonia-flat-high-range-1-10-ppm-chemetrics-inc-c-1510-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-C-1510_5165a3f5-37c6-4f52-86d4-88482fad7338.png?v=1786098990</image:loc>
      <image:title>Comparator-Ammonia, Flat, High Range, 1-10 ppm, Chemetrics, Inc., C-1510  Non-Regulated</image:title>
      <image:caption>Comparator-Ammonia, Flat, High Range, 1-10 ppm, Chemetrics, Inc., C-1510  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/comparator-copper-low-range-0-0-1-0-ppm-chemetrics-inc-c-3501-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-C3501.png?v=1786098992</image:loc>
      <image:title>Comparator-Copper, Low Range 0.0-1.0 ppm, Chemetrics, Inc., C-3501  Non-Regulated</image:title>
      <image:caption>Comparator-Copper, Low Range 0.0-1.0 ppm, Chemetrics, Inc., C-3501  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/comparator-peracetic-acid-low-range-0-0-1-0-ppm-chemetrics-inc-c-7902-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-C7902_750144bc-6ee4-4d07-963f-c01148d36849.png?v=1786098993</image:loc>
      <image:title>Comparator-Peracetic Acid, Low Range, 0.0-1.0 ppm, Chemetrics, Inc., C-7902  Non-Regulated</image:title>
      <image:caption>Comparator-Peracetic Acid, Low Range, 0.0-1.0 ppm, Chemetrics, Inc., C-7902  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/comparator-peracetic-acid-flat-high-range-0-0-5-0-ppm-chemetrics-inc-c-7904</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-C7904.png?v=1786098994</image:loc>
      <image:title>Comparator-Peracetic Acid, Flat, High Range, 0.0-5.0 ppm, Chemetrics, Inc., C-7904</image:title>
      <image:caption>Comparator-Peracetic Acid, Flat, High Range, 0.0-5.0 ppm, Chemetrics, Inc., C-7904</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/comparator-phenols-low-range-0-0-1-0-ppm-chemetrics-inc-c-8001-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-C8001.png?v=1786098995</image:loc>
      <image:title>Comparator-Phenols, Low Range, 0.0-1.0 ppm, Chemetrics, Inc., C-8001  Non-Regulated</image:title>
      <image:caption>Comparator-Phenols, Low Range, 0.0-1.0 ppm, Chemetrics, Inc., C-8001  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/comparator-phenols-flat-high-range-0-12-ppm-chemetrics-inc-c-8012-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-C8012.png?v=1786098996</image:loc>
      <image:title>Comparator-Phenols, Flat, High Range, 0-12 ppm, Chemetrics, Inc., C-8012  Non-Regulated</image:title>
      <image:caption>Comparator-Phenols, Flat, High Range, 0-12 ppm, Chemetrics, Inc., C-8012  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chlorine-dioxide-photometer-sam-kit-0-11-0-ppm-chemetrics-inc-i-2005</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-I2005.png?v=1786098998</image:loc>
      <image:title>Chlorine Dioxide Photometer (SAM) Kit, 0-11.0 ppm, Chemetrics, Inc., I-2005</image:title>
      <image:caption>Chlorine Dioxide Photometer (SAM) Kit, 0-11.0 ppm, Chemetrics, Inc., I-2005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/peracetic-acid-vacu-vials-instrumental-kit-30-tests-0-5-00-ppm-chemetrics-inc-k-7913-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K-7913.png?v=1786099000</image:loc>
      <image:title>Peracetic Acid Vacu-vials Instrumental Kit, 30 Tests, 0-5.00 ppm, Chemetrics, Inc., K-7913  Non-Regulated</image:title>
      <image:caption>Peracetic Acid Vacu-vials Instrumental Kit, 30 Tests, 0-5.00 ppm, Chemetrics, Inc., K-7913  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ammonia-test-kit-visual-colorimetric-analysis-0-1-1-10-ppm-direct-nesslerization-method-chemetrics-inc-k-1510</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K1510-01.png?v=1786099001</image:loc>
      <image:title>Ammonia Test Kit, Visual Colorimetric Analysis, 0-1 &amp; 1-10 ppm, Direct Nesslerization Method, Chemetrics, Inc., K-1510</image:title>
      <image:caption>Ammonia Test Kit, Visual Colorimetric Analysis, 0-1 &amp; 1-10 ppm, Direct Nesslerization Method, Chemetrics, Inc., K-1510</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chlorine-test-kit-free-total-visual-colorimetric-analysis-0-1-1-5-ppm-dpd-method</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K2504.png?v=1786099003</image:loc>
      <image:title>Chlorine Test Kit, Free &amp; Total, Visual Colorimetric Analysis, 0-1 &amp; 1-5 ppm DPD Method</image:title>
      <image:caption>Chlorine Test Kit, Free &amp; Total, Visual Colorimetric Analysis, 0-1 &amp; 1-5 ppm DPD Method</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chlorine-test-kit-visual-colorimetric-analysis-0-1-1-5-ppm-dpd-method-chemetrics-inc-k-2505</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K2505-01.png?v=1786099005</image:loc>
      <image:title>Chlorine Test Kit, Visual Colorimetric Analysis, 0-1 &amp; 1-5 ppm, DPD Method, Chemetrics, Inc., K-2505</image:title>
      <image:caption>Chlorine Test Kit, Visual Colorimetric Analysis, 0-1 &amp; 1-5 ppm, DPD Method, Chemetrics, Inc., K-2505</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chlorine-dioxide-vacu-vials-30-tests-0-11-0-ppm-chemetrics-inc-k-2703-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K2703.png?v=1786099006</image:loc>
      <image:title>Chlorine Dioxide Vacu-vials, 30 Tests, 0-11.0 ppm, Chemetrics, Inc., K-2703  Non-Regulated</image:title>
      <image:caption>Chlorine Dioxide Vacu-vials, 30 Tests, 0-11.0 ppm, Chemetrics, Inc., K-2703  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chromate-hexavalent-kit-30-tests-0-1-1-10-ppm-chemetrics-inc-k-2810-8-un1760-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K2810.png?v=1786099008</image:loc>
      <image:title>Chromate Hexavalent Kit, 30 Tests, 0-1 &amp; 1-10 ppm, Chemetrics, Inc., K-2810  8, UN1760, PG II</image:title>
      <image:caption>Chromate Hexavalent Kit, 30 Tests, 0-1 &amp; 1-10 ppm, Chemetrics, Inc., K-2810  8, UN1760, PG II</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/copper-soluble-kit-30-tests-0-1-1-10-ppm-chemetrics-inc-k-3510-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K3510_1daef24d-d61e-4a0b-aea1-97a588707a7e.png?v=1786099009</image:loc>
      <image:title>Copper, Soluble, Kit, 30 Tests, 0-1 &amp; 1-10 ppm, Chemetrics, Inc., K-3510  Non-Regulated</image:title>
      <image:caption>Copper, Soluble, Kit, 30 Tests, 0-1 &amp; 1-10 ppm, Chemetrics, Inc., K-3510  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hardness-test-kit-visual-colorimetric-analysis-100-1000-ppm-edta-method-chemetrics-inc-k-4585</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K4585.png?v=1786099011</image:loc>
      <image:title>Hardness Test Kit, Visual Colorimetric Analysis, 100-1000 ppm, EDTA Method, Chemetrics, Inc., K-4585</image:title>
      <image:caption>Hardness Test Kit, Visual Colorimetric Analysis, 100-1000 ppm, EDTA Method, Chemetrics, Inc., K-4585</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/formaldehyde-test-kit-visual-colorimetric-analysis-0-1-1-5-ppm-purpald-method-chemetrics-inc-k-4605</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K4605.png?v=1786099013</image:loc>
      <image:title>Formaldehyde Test Kit, Visual Colorimetric Analysis, 0-1 &amp; 1-5 ppm, Purpald Method, Chemetrics, Inc., K-4605</image:title>
      <image:caption>Formaldehyde Test Kit, Visual Colorimetric Analysis, 0-1 &amp; 1-5 ppm, Purpald Method, Chemetrics, Inc., K-4605</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/glycol-test-kit-visual-colorimetric-analysis-1-15-ppm-as-ethylene-glycol-purpald-periodate-method-chemetrics-inc-k-4815</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K4815.png?v=1786099015</image:loc>
      <image:title>Glycol Test Kit, Visual Colorimetric Analysis, 1-15 ppm as Ethylene Glycol, Purpald-Periodate Method, Chemetrics, Inc., K-4815</image:title>
      <image:caption>Glycol Test Kit, Visual Colorimetric Analysis, 1-15 ppm as Ethylene Glycol, Purpald-Periodate Method, Chemetrics, Inc., K-4815</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydrazine-test-kit-visual-colorimetric-analysis-0-0-5-ppm-pdmab-method-chemetrics-inc-k-5005</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K5005.png?v=1786099017</image:loc>
      <image:title>Hydrazine Test Kit, Visual Colorimetric Analysis, 0-0.5 ppm, PDMAB Method, Chemetrics, Inc., K-5005</image:title>
      <image:caption>Hydrazine Test Kit, Visual Colorimetric Analysis, 0-0.5 ppm, PDMAB Method, Chemetrics, Inc., K-5005</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydrazine-test-kit-visual-colorimetric-analysis-0-25-ppm-pdmab-method-chemetrics-inc-k-5005a</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K5005A_372ae505-68bc-4da9-ab22-e037c95a0d19.png?v=1786099019</image:loc>
      <image:title>Hydrazine Test Kit, Visual Colorimetric Analysis, 0-25 ppm, PDMAB Method, Chemetrics, Inc., K-5005A</image:title>
      <image:caption>Hydrazine Test Kit, Visual Colorimetric Analysis, 0-25 ppm, PDMAB Method, Chemetrics, Inc., K-5005A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydrazine-test-kit-visual-colorimetric-analysis-0-50-ppm-pdmab-method-chemetrics-inc-k-5005b</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K5005B.png?v=1786099021</image:loc>
      <image:title>Hydrazine Test Kit, Visual Colorimetric Analysis, 0-50 ppm, PDMAB Method, Chemetrics, Inc., K-5005B</image:title>
      <image:caption>Hydrazine Test Kit, Visual Colorimetric Analysis, 0-50 ppm, PDMAB Method, Chemetrics, Inc., K-5005B</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydrogen-peroxide-test-kit-visual-colorimetric-analysis-0-1-1-10-ppm-ferric-thiocyanate-method-chemetrics-inc-k-5510</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K5510-01.png?v=1786099024</image:loc>
      <image:title>Hydrogen Peroxide Test Kit, Visual Colorimetric Analysis, 0-1 &amp; 1-10 ppm, Ferric Thiocyanate Method, Chemetrics, Inc., K-5510</image:title>
      <image:caption>Hydrogen Peroxide Test Kit, Visual Colorimetric Analysis, 0-1 &amp; 1-10 ppm, Ferric Thiocyanate Method, Chemetrics, Inc., K-5510</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/iron-total-vacu-vials-instrumental-kit-30-tests-0-2-50-ppm-chemetrics-inc-k-6023-8-un1760-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K6023-01_d0a27de6-1c74-4610-ac27-c41f078a10fb.png?v=1786099025</image:loc>
      <image:title>Iron, Total, Vacu-vials Instrumental Kit, 30 Tests, 0-2.50 ppm, Chemetrics, Inc., K-6023  8, UN1760, PG II</image:title>
      <image:caption>Iron, Total, Vacu-vials Instrumental Kit, 30 Tests, 0-2.50 ppm, Chemetrics, Inc., K-6023  8, UN1760, PG II</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/iron-total-ferrous-visual-kit-30-tests-0-1-1-10-ppm-chemetrics-inc-k-6210-8-un1760-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K6210.png?v=1786099026</image:loc>
      <image:title>Iron, Total &amp; Ferrous, Visual Kit, 30 Tests, 0-1 &amp; 1-10 ppm, Chemetrics, Inc., K-6210  8, UN1760, PG II</image:title>
      <image:caption>Iron, Total &amp; Ferrous, Visual Kit, 30 Tests, 0-1 &amp; 1-10 ppm, Chemetrics, Inc., K-6210  8, UN1760, PG II</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/manganese-test-kit-visual-colorimetric-analsis-0-2-ppm-periodate-method-chemetrics-inc-k-6502</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K6502_212bed5c-122b-422b-89ba-0628f61cad76.png?v=1786099028</image:loc>
      <image:title>Manganese Test Kit, Visual Colorimetric Analsis, 0-2 ppm, Periodate Method, Chemetrics, Inc., K-6502</image:title>
      <image:caption>Manganese Test Kit, Visual Colorimetric Analsis, 0-2 ppm, Periodate Method, Chemetrics, Inc., K-6502</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/manganese-vacuettes-visual-kit-high-range-30-tests-0-50-ppm-chemetrics-inc-k-6502d-non-regulated-representative-image</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K6502D.png?v=1786099030</image:loc>
      <image:title>Manganese VACUettes Visual Kit, High Range, 30 Tests, 0-50 ppm, Chemetrics, Inc., K-6502D  Non-Regulated  REPRESENTATIVE IMAGE</image:title>
      <image:caption>Manganese VACUettes Visual Kit, High Range, 30 Tests, 0-50 ppm, Chemetrics, Inc., K-6502D  Non-Regulated  REPRESENTATIVE IMAGE</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nitrate-chemets-visual-kit-30-tests-0-3-4-ppm-as-n-chemetrics-inc-k-6905-8-un-1760-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K6905_b836b5f0-dcc0-4dc5-88b3-1aa30d731d42.png?v=1786099032</image:loc>
      <image:title>Nitrate CHEMets Visual Kit, 30 Tests, 0-3.4 ppm as N, Chemetrics, Inc., K-6905  8, UN 1760, PG II</image:title>
      <image:caption>Nitrate CHEMets Visual Kit, 30 Tests, 0-3.4 ppm as N, Chemetrics, Inc., K-6905  8, UN 1760, PG II</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chemical-oxygen-demand-cod-test-kit-instrumental-colorimetric-analysis-0-150-ppm-dichromate-reactor-digestion-method-mercury-free-vials-chemetrics-inc-k-7356</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7356.png?v=1786099033</image:loc>
      <image:title>Chemical Oxygen Demand (COD) Test Kit, Instrumental Colorimetric Analysis, 0-150 ppm, Dichromate Reactor Digestion Method (Mercury Free Vials), Chemetrics, Inc., K-7356</image:title>
      <image:caption>Chemical Oxygen Demand (COD) Test Kit, Instrumental Colorimetric Analysis, 0-150 ppm, Dichromate Reactor Digestion Method (Mercury Free Vials), Chemetrics, Inc., K-7356</image:caption>
    </image:image>
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  <url>
    <loc>https://preiser.com/products/cod-reagent-vials-25-tests-mercury-free-high-range-0-1500-ppm-chemetrics-inc-k-7361s-8-un-1830-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7361-S.png?v=1786099034</image:loc>
      <image:title>COD Reagent Vials, 25 Tests, Mercury-free, High Range, 0-1500 ppm, Chemetrics, Inc., K-7361S  8, UN 1830, PG II</image:title>
      <image:caption>COD Reagent Vials, 25 Tests, Mercury-free, High Range, 0-1500 ppm, Chemetrics, Inc., K-7361S  8, UN 1830, PG II</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chemical-oxygen-demand-cod-test-kit-instrumental-colorimetric-analysis-0-1-500-ppm-dichromate-reactor-digestion-method-mercury-free-vials-chemetrics-inc-k-7366</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7366.png?v=1786099036</image:loc>
      <image:title>Chemical Oxygen Demand (COD) Test Kit, Instrumental Colorimetric Analysis, 0-1,500 ppm, Dichromate Reactor Digestion Method (Mercury Free Vials), Chemetrics, Inc., K-7366</image:title>
      <image:caption>Chemical Oxygen Demand (COD) Test Kit, Instrumental Colorimetric Analysis, 0-1,500 ppm, Dichromate Reactor Digestion Method (Mercury Free Vials), Chemetrics, Inc., K-7366</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cod-reagent-vials-25-tests-mercury-free-high-range-0-15000-ppm-chemetrics-inc-k-7371s-8-un-1830-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7371S_3ef5398f-a682-4abc-a2cf-a07719cf52f4.png?v=1786099038</image:loc>
      <image:title>COD Reagent Vials, 25 Tests, Mercury-free, High Range+, 0-15000 ppm, Chemetrics, Inc., K-7371S  8, UN 1830, PG II</image:title>
      <image:caption>COD Reagent Vials, 25 Tests, Mercury-free, High Range+, 0-15000 ppm, Chemetrics, Inc., K-7371S  8, UN 1830, PG II</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cod-vials-kit-98-tests-0-15000-ppm-not-epa-approved-chemetrics-inc-k-7375-8-un-1830-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7375.png?v=1786099039</image:loc>
      <image:title>COD Vials Kit, 98 Tests, 0-15000 ppm-Not EPA Approved, Chemetrics, Inc., K-7375  8, UN 1830, PG II</image:title>
      <image:caption>COD Vials Kit, 98 Tests, 0-15000 ppm-Not EPA Approved, Chemetrics, Inc., K-7375  8, UN 1830, PG II</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chemical-oxygen-demand-cod-test-kit-instrumental-colorimetric-analysis-0-15-000-ppm-dichromate-reactor-digestion-method-mercury-free-vials-chemetrics-inc-k-7376</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7376.png?v=1786099041</image:loc>
      <image:title>Chemical Oxygen Demand (COD) Test Kit, Instrumental Colorimetric Analysis, 0-15,000 ppm, Dichromate Reactor Digestion Method (Mercury Free Vials), Chemetrics, Inc., K-7376</image:title>
      <image:caption>Chemical Oxygen Demand (COD) Test Kit, Instrumental Colorimetric Analysis, 0-15,000 ppm, Dichromate Reactor Digestion Method (Mercury Free Vials), Chemetrics, Inc., K-7376</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dissolved-oxygen-chemets-visual-kit-30-tests-0-1-ppm-chemetrics-inc-k-7501-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7501-01.png?v=1786099045</image:loc>
      <image:title>Dissolved Oxygen CHEMets Visual Kit, 30 Tests, 0-1 ppm, Chemetrics, Inc., K-7501  Non-Regulated</image:title>
      <image:caption>Dissolved Oxygen CHEMets Visual Kit, 30 Tests, 0-1 ppm, Chemetrics, Inc., K-7501  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dissolved-oxygen-test-kit-visual-colorimetric-analysis-0-20-ppb-rhodazine-d-method-chemetrics-inc-k-7511</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7511.png?v=1786099047</image:loc>
      <image:title>Dissolved Oxygen Test Kit, Visual Colorimetric Analysis, 0-20 ppb, Rhodazine D Method, Chemetrics, Inc., K-7511</image:title>
      <image:caption>Dissolved Oxygen Test Kit, Visual Colorimetric Analysis, 0-20 ppb, Rhodazine D Method, Chemetrics, Inc., K-7511</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dissolved-oxygen-test-kit-visual-colorimetric-analysis-1-12-ppm-indigo-carmine-method-chemetrics-inc-k-7512</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7512.png?v=1786099048</image:loc>
      <image:title>Dissolved Oxygen Test Kit, Visual Colorimetric Analysis, 1-12 ppm, Indigo Carmine Method, Chemetrics, Inc., K-7512</image:title>
      <image:caption>Dissolved Oxygen Test Kit, Visual Colorimetric Analysis, 1-12 ppm, Indigo Carmine Method, Chemetrics, Inc., K-7512</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dissolved-oxygen-chemets-visual-kit-30-tests-0-40-ppb-chemetrics-inc-k-7540-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7540_ba7ec207-9ea1-4e91-8320-85bac5b2ee00.png?v=1786099050</image:loc>
      <image:title>Dissolved Oxygen CHEMets Visual Kit, 30 Tests, 0-40 ppb, Chemetrics, Inc., K-7540  Non-Regulated</image:title>
      <image:caption>Dissolved Oxygen CHEMets Visual Kit, 30 Tests, 0-40 ppb, Chemetrics, Inc., K-7540  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dissolved-oxygen-test-kit-visual-colorimetric-analysis-0-100-ppb-rhodazine-d-method-chemetrics-inc-k-7599</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7599.png?v=1786099051</image:loc>
      <image:title>Dissolved Oxygen Test Kit, Visual Colorimetric Analysis, 0-100 ppb, Rhodazine D Method, Chemetrics, Inc., K-7599</image:title>
      <image:caption>Dissolved Oxygen Test Kit, Visual Colorimetric Analysis, 0-100 ppb, Rhodazine D Method, Chemetrics, Inc., K-7599</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/peracetic-acid-chemets-visual-kit-30-tests-0-1-0-5-ppm-chemetrics-inc-chz-k7904-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K7904.png?v=1786099053</image:loc>
      <image:title>Peracetic Acid-CHEMets Visual Kit, 30 Tests, 0-1 &amp; 0-5 ppm, Chemetrics, Inc., CHZ-K7904  Non-Regulated</image:title>
      <image:caption>Peracetic Acid-CHEMets Visual Kit, 30 Tests, 0-1 &amp; 0-5 ppm, Chemetrics, Inc., CHZ-K7904  Non-Regulated</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/phenols-test-kit-instrumental-colorimetric-method-0-40-8-00-ppm-4-aminoantipyrine-method-chemetrics-inc-k-8003</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K8003-01.png?v=1786099055</image:loc>
      <image:title>Phenols Test Kit, Instrumental Colorimetric Method, 0.40-8.00 ppm, 4-Aminoantipyrine Method, Chemetrics, Inc., K-8003</image:title>
      <image:caption>Phenols Test Kit, Instrumental Colorimetric Method, 0.40-8.00 ppm, 4-Aminoantipyrine Method, Chemetrics, Inc., K-8003</image:caption>
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  </url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K8012.png?v=1786099057</image:loc>
      <image:title>Phenols Test Kit, Visual Colorimetric Method, 0-1 &amp; 0-12 ppm, 4-Aminoantipyrine Method, Chemetrics, Inc., K-8012</image:title>
      <image:caption>Phenols Test Kit, Visual Colorimetric Method, 0-1 &amp; 0-12 ppm, 4-Aminoantipyrine Method, Chemetrics, Inc., K-8012</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-K9011.png?v=1786099059</image:loc>
      <image:title>Silica Ultra Low Range (ULR) CHEMets Visual Kit, 0 to 0.020 ppm, 30 tests, K-9011</image:title>
      <image:caption>Silica Ultra Low Range (ULR) CHEMets Visual Kit, 0 to 0.020 ppm, 30 tests, K-9011</image:caption>
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      <image:title>Sulfide CHEMets Visual Kit, 30 Tests, 0-1 &amp; 1-10 ppm, Chemetrics, Inc., K-9510  8, UN 1760, PG II</image:title>
      <image:caption>Sulfide CHEMets Visual Kit, 30 Tests, 0-1 &amp; 1-10 ppm, Chemetrics, Inc., K-9510  8, UN 1760, PG II</image:caption>
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      <image:title>Sulfide - VACUettes Visual High Range Kit, 30 Tests, 0 to 30 and 30 to 300 ppm, K-9510D</image:title>
      <image:caption>Sulfide - VACUettes Visual High Range Kit, 30 Tests, 0 to 30 and 30 to 300 ppm, K-9510D</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Alkalinity (Total) Titration Cells, 30 Tests, 50-500 ppm as CaCO3 , Chemetrics, Inc., K-9815,  Non-Regulated</image:title>
      <image:caption>Alkalinity (Total) Titration Cells, 30 Tests, 50-500 ppm as CaCO3 , Chemetrics, Inc., K-9815,  Non-Regulated</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Ammonia Test Kit Refills, Visual Colorimetric Analysis, 0-1 &amp; 1-10 ppm, Direct Nesslerization Method (Shelf Life 5 Months), Chemetrics, Inc., R-1501</image:title>
      <image:caption>Ammonia Test Kit Refills, Visual Colorimetric Analysis, 0-1 &amp; 1-10 ppm, Direct Nesslerization Method (Shelf Life 5 Months), Chemetrics, Inc., R-1501</image:caption>
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      <image:title>Chlorine Test Kit Refills, Visual Colorimetric Analysis, DPD Method, Chemetrics, R-2500  Non-Regulated</image:title>
      <image:caption>Chlorine Test Kit Refills, Visual Colorimetric Analysis, DPD Method, Chemetrics, R-2500  Non-Regulated</image:caption>
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      <image:title>Chlorine Test Kit Refills, Visual Colorimetric Analysis, 0-1 &amp; 1-5 ppm, DDPD Method, Chemetrics, Inc., R-2505</image:title>
      <image:caption>Chlorine Test Kit Refills, Visual Colorimetric Analysis, 0-1 &amp; 1-5 ppm, DDPD Method, Chemetrics, Inc., R-2505</image:caption>
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      <image:title>Copper CHEMets Refill, 30 Ampoules, Chemetrics, Inc., R-3510  Non-Regulated</image:title>
      <image:caption>Copper CHEMets Refill, 30 Ampoules, Chemetrics, Inc., R-3510  Non-Regulated</image:caption>
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      <image:title>Formaldehyde Test Kit Refills, Visual Colorimetric Analysis, 0-1 &amp; 1-5 ppm, Purpald Method, Chemetrics, Inc., R-4605</image:title>
      <image:caption>Formaldehyde Test Kit Refills, Visual Colorimetric Analysis, 0-1 &amp; 1-5 ppm, Purpald Method, Chemetrics, Inc., R-4605</image:caption>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-R4815.png?v=1786099072</image:loc>
      <image:title>Glycol Test Kit Refills, Visual Colorimetric Analysis, 1-15 ppm as Ethylene Glycol, Purpald-Periodate Method, Chemetrics, Inc., R-4815</image:title>
      <image:caption>Glycol Test Kit Refills, Visual Colorimetric Analysis, 1-15 ppm as Ethylene Glycol, Purpald-Periodate Method, Chemetrics, Inc., R-4815</image:caption>
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      <image:title>Hydrazine Test Kit Refills, Visual Colorimetric Analysis, 0-25 ppm, PDMAB Method, Chemetrics, Inc., R-5005A</image:title>
      <image:caption>Hydrazine Test Kit Refills, Visual Colorimetric Analysis, 0-25 ppm, PDMAB Method, Chemetrics, Inc., R-5005A</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Hydrazine Test Kit Refills, Visual Colorimetric Analysis, 0-50 ppm, PDMAB Method, Chemetrics, Inc., R-5005B</image:title>
      <image:caption>Hydrazine Test Kit Refills, Visual Colorimetric Analysis, 0-50 ppm, PDMAB Method, Chemetrics, Inc., R-5005B</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-R5510.png?v=1786099076</image:loc>
      <image:title>Hydrogen Peroxide Test Kit Refills, Visual Colorimetric Analysis, 0-1 &amp; 1-10 ppm, Ferric Thiocyanate Method, Chemetrics, Inc., R-5510</image:title>
      <image:caption>Hydrogen Peroxide Test Kit Refills, Visual Colorimetric Analysis, 0-1 &amp; 1-10 ppm, Ferric Thiocyanate Method, Chemetrics, Inc., R-5510</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-R5510D.png?v=1786099077</image:loc>
      <image:title>Hydrogen Peroxide VACUettes Refill, 30 Ampoules, Chemetrics, Inc., R-5510D, 8, UN 1760, PG II</image:title>
      <image:caption>Hydrogen Peroxide VACUettes Refill, 30 Ampoules, Chemetrics, Inc., R-5510D, 8, UN 1760, PG II</image:caption>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Iron CHEMets Refill, 30 Ampoules, Chemetrics, Inc., R-6001,  Non-Regulated</image:title>
      <image:caption>Iron CHEMets Refill, 30 Ampoules, Chemetrics, Inc., R-6001,  Non-Regulated</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-R6502.png?v=1786099080</image:loc>
      <image:title>Manganese Test Kit Refills, Visual Colorimetric Analsis, 0-2 ppm, Periodate Method, Chemetrics, Inc., R-6502</image:title>
      <image:caption>Manganese Test Kit Refills, Visual Colorimetric Analsis, 0-2 ppm, Periodate Method, Chemetrics, Inc., R-6502</image:caption>
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      <image:title>Manganese VACUettes Refill, 30 Ampoules, Chemetrics, Inc., R-6502D  Non-Regulated</image:title>
      <image:caption>Manganese VACUettes Refill, 30 Ampoules, Chemetrics, Inc., R-6502D  Non-Regulated</image:caption>
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      <image:title>Dissolved Oxygen Test Kit Refills, Visual Colorimetric Analysis, 0-20 ppb, Rhodazine D Method, Chemetrics, Inc., R-7511</image:title>
      <image:caption>Dissolved Oxygen Test Kit Refills, Visual Colorimetric Analysis, 0-20 ppb, Rhodazine D Method, Chemetrics, Inc., R-7511</image:caption>
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      <image:title>Dissolved Oxygen Test Kit Refills, Visual Colorimetric Analysis, 1-12 ppm, Indigo Carmine Method, Chemetrics, Inc., R-7512</image:title>
      <image:caption>Dissolved Oxygen Test Kit Refills, Visual Colorimetric Analysis, 1-12 ppm, Indigo Carmine Method, Chemetrics, Inc., R-7512</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>Dissolved Oxygen Test Kit Refills, Visual Colorimetric Analysis, 0-100 ppb, Rhodazine D Method, Chemetrics, Inc., R-7540</image:title>
      <image:caption>Dissolved Oxygen Test Kit Refills, Visual Colorimetric Analysis, 0-100 ppb, Rhodazine D Method, Chemetrics, Inc., R-7540</image:caption>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Peracetic Acid CHEMets Refill, 30 Ampoules, Chemetrics, Inc., R-7904  Non-Regulated</image:title>
      <image:caption>Peracetic Acid CHEMets Refill, 30 Ampoules, Chemetrics, Inc., R-7904  Non-Regulated</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-R8012-01.png?v=1786099088</image:loc>
      <image:title>Phenols Test Kit Refills, Visual Colorimetric Method, 0-1 &amp; 0-12 ppm, 4-Aminoantipyrine Method, Chemetrics, Inc., R-8012</image:title>
      <image:caption>Phenols Test Kit Refills, Visual Colorimetric Method, 0-1 &amp; 0-12 ppm, 4-Aminoantipyrine Method, Chemetrics, Inc., R-8012</image:caption>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-R8510-01.png?v=1786099089</image:loc>
      <image:title>Phosphate, Ortho CHEMets Refill, 30 Ampoules, Chemetrics, Inc., R-8510  8, UN 1760, PG II</image:title>
      <image:caption>Phosphate, Ortho CHEMets Refill, 30 Ampoules, Chemetrics, Inc., R-8510  8, UN 1760, PG II</image:caption>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-R8510B.png?v=1786099091</image:loc>
      <image:title>Phosphate, Ortho VACUettes Refill, 30 Ampoules, Chemetrics, Inc., R-8510B  8, UN 1760, PG II</image:title>
      <image:caption>Phosphate, Ortho VACUettes Refill, 30 Ampoules, Chemetrics, Inc., R-8510B  8, UN 1760, PG II</image:caption>
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  <url>
    <loc>https://preiser.com/products/sulfide-chemets-refill-30-ampoules-chemetrics-inc-r-9510-8-un-1760-pg-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Sulfide CHEMets Refill, 30 Ampoules, Chemetrics, Inc., R-9510  8, UN 1760, PG II</image:title>
      <image:caption>Sulfide CHEMets Refill, 30 Ampoules, Chemetrics, Inc., R-9510  8, UN 1760, PG II</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CHZ-V2000.png?v=1786099093</image:loc>
      <image:title>Multi-Analyte Photometer for Water Analysis, Chemetrics, Inc., V-2000</image:title>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-2711_1a1c6951-c1e4-4c84-bafc-d4e87bfe5a81.png?v=1787196914</image:loc>
      <image:title>Carbon Graphite Anode for Electric Arc Button Remelt Furnace</image:title>
      <image:caption>Carbon Graphite Anode for Electric Arc Button Remelt Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tungsten-anode-for-electric-arc-button-remelt-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-2712.png?v=1786099097</image:loc>
      <image:title>Tungsten Anode for Electric Arc Button Remelt Furnace</image:title>
      <image:caption>Tungsten Anode for Electric Arc Button Remelt Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pop-off-valve-for-electric-arc-button-remelt-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-27120003.png?v=1786099098</image:loc>
      <image:title>Pop-Off Valve for Electric Arc Button Remelt Furnace</image:title>
      <image:caption>Pop-Off Valve for Electric Arc Button Remelt Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/copper-crucible-1-1-4-sample-size-for-electric-arc-button-remelt-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-2713_b96343a1-927b-49dc-9c8b-767b627c53be.png?v=1786099099</image:loc>
      <image:title>Copper Crucible (1-1/4 Sample Size) for Electric Arc Button Remelt Furnace</image:title>
      <image:caption>Copper Crucible (1-1/4 Sample Size) for Electric Arc Button Remelt Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/lower-water-cooled-section-for-electric-arc-button-remelt-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-27708902.png?v=1786099101</image:loc>
      <image:title>Lower Water Cooled Section for Electric Arc Button Remelt Furnace</image:title>
      <image:caption>Lower Water Cooled Section for Electric Arc Button Remelt Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/t-handle-for-cianflone-electric-arc-button-relt-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-ANHOLDERTH_918f3b94-de2e-4710-a63a-31a37aab65c7.png?v=1787196916</image:loc>
      <image:title>T-Handle for Cianflone Electric Arc Button Relt Furnace</image:title>
      <image:caption>T-Handle for Cianflone Electric Arc Button Relt Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clear-sight-glass-for-electric-arc-button-remelt-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-CSG.png?v=1786099103</image:loc>
      <image:title>Clear Sight Glass for Electric Arc Button Remelt Furnace</image:title>
      <image:caption>Clear Sight Glass for Electric Arc Button Remelt Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/large-o-ring-under-crucible-for-electric-arc-button-remelt-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-ORINGLG.png?v=1786099104</image:loc>
      <image:title>Large O-Ring Under Crucible for Electric Arc Button Remelt Furnace</image:title>
      <image:caption>Large O-Ring Under Crucible for Electric Arc Button Remelt Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/small-o-ring-under-crucible-for-electric-arc-button-remelt-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-ORINGSM_4295483d-a89e-4c85-b65b-56adef350d77.png?v=1786099106</image:loc>
      <image:title>Small O-Ring Under Crucible for Electric Arc Button Remelt Furnace</image:title>
      <image:caption>Small O-Ring Under Crucible for Electric Arc Button Remelt Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/o-ring-for-crucible-top-for-electric-arc-button-remelt-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-ORINGTOP.png?v=1786099107</image:loc>
      <image:title>O-Ring for Crucible (Top) for Electric Arc Button Remelt Furnace</image:title>
      <image:caption>O-Ring for Crucible (Top) for Electric Arc Button Remelt Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/threaded-copper-end-for-electric-arc-button-remelt-furnace-representative-image</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CIA-TCE_59e9be1d-f2f0-43d4-bb71-d305e0d50e30.png?v=1786099108</image:loc>
      <image:title>Threaded Copper End for Electric Arc Button Remelt Furnace {Representative Image]</image:title>
      <image:caption>Threaded Copper End for Electric Arc Button Remelt Furnace {Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clay-adams-3798-safety-slide-mailing-envelope-package-of-100</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CLA-3798-01_d16ccd45-c7f0-4826-b216-c3db9a9185da.png?v=1786099110</image:loc>
      <image:title>Clay Adams 3798 Safety Slide Mailing Envelope, Package of 100</image:title>
      <image:caption>Clay Adams 3798 Safety Slide Mailing Envelope, Package of 100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-dual-display-digital-stopwatch-timing-range-is-9-hours-59-minutes-59-seconds-and-99-hundredths-antylia-1034</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-1034.png?v=1786099111</image:loc>
      <image:title>Traceable Dual-Display Digital Stopwatch, Timing range is 9 Hours, 59 Minutes, 59 Seconds, and 99 Hundredths, Antylia, 1034</image:title>
      <image:caption>Traceable Dual-Display Digital Stopwatch, Timing range is 9 Hours, 59 Minutes, 59 Seconds, and 99 Hundredths, Antylia, 1034</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-batteries-timer-silver-oxide-1-5v-6-pk-antylia-1039</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-1039.png?v=1786099112</image:loc>
      <image:title>Traceable Batteries, Timer, Silver Oxide 1.5V 6/PK, Antylia, 1039</image:title>
      <image:caption>Traceable Batteries, Timer, Silver Oxide 1.5V 6/PK, Antylia, 1039</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-waterproof-shockproof-stopwatch-timing-range-is-23-hours-59-minutes-59-seconds-antylia-1042</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-1042_ef10a546-1fd0-4021-a192-3f14b7c091d9.png?v=1786099113</image:loc>
      <image:title>Traceable Waterproof/Shockproof Stopwatch, Timing range is 23 Hours, 59 Minutes, 59 Seconds, Antylia, 1042</image:title>
      <image:caption>Traceable Waterproof/Shockproof Stopwatch, Timing range is 23 Hours, 59 Minutes, 59 Seconds, Antylia, 1042</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-stopwatch-single-action-time-out-cumulative-split-and-continuous-timing-antylia-1045</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-1045.png?v=1786506483</image:loc>
      <image:title>Traceable Stopwatch, Single-Action, Time-Out, Cumulative-Split and Continuous Timing, Antylia 1045</image:title>
      <image:caption>Traceable Stopwatch, Single-Action, Time-Out, Cumulative-Split and Continuous Timing, Antylia 1045</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-jumbo-digit-stopwatch-with-handy-clip-23-hrs-59-mins-59-secs-antylia-1051</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-1051.png?v=1786099116</image:loc>
      <image:title>Traceable Jumbo-Digit Stopwatch with handy clip, 23 hrs., 59.mins., 59.secs., Antylia, 1051</image:title>
      <image:caption>Traceable Jumbo-Digit Stopwatch with handy clip, 23 hrs., 59.mins., 59.secs., Antylia, 1051</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-digital-radio-atomic-wall-clock-2-1-4-in-digit-size-antylia-1076</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-1076_44c40100-4e0c-4caa-bac5-183c45a29f5d.png?v=1786099117</image:loc>
      <image:title>Traceable Digital Radio Atomic Wall Clock, 2-1/4 in. Digit Size, Antylia, 1076</image:title>
      <image:caption>Traceable Digital Radio Atomic Wall Clock, 2-1/4 in. Digit Size, Antylia, 1076</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-digital-calipers-stainless-steel-6-in-antylia-3415</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-3415_b9ed8788-0e10-407d-a68c-9c1953b752d0.png?v=1786099118</image:loc>
      <image:title>Traceable Digital Calipers, Stainless Steel, 6 in., Antylia, 3415</image:title>
      <image:caption>Traceable Digital Calipers, Stainless Steel, 6 in., Antylia, 3415</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-digital-calipers-stainless-steel-8-in-antylia-3416</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-3416_5e863657-1b60-4100-b298-cc3f44f18c5c.png?v=1787783605</image:loc>
      <image:title>Traceable Digital Calipers, Stainless Steel, 8 in., Antylia, 3416</image:title>
      <image:caption>Traceable Digital Calipers, Stainless Steel, 8 in., Antylia, 3416</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-big-digit-type-k-thermometer-switchable-range-is-58-to-2000-f-and-50-to-1300-c-x-0-1-and-1-antylia-4004</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4004_7ae05a5d-a899-41a7-8aed-913b48c2f62e.png?v=1786099121</image:loc>
      <image:title>Traceable Big-Digit Type K Thermometer, Switchable range is 58 to 2000 F and 50 to 1300 C x 0.1 and 1, Antylia, 4004</image:title>
      <image:caption>Traceable Big-Digit Type K Thermometer, Switchable range is 58 to 2000 F and 50 to 1300 C x 0.1 and 1, Antylia, 4004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-stainless-steel-type-k-probe-temperature-range-is-50-to-700-c-antylia-4014</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4014_d3dcded8-3c4b-4a45-8464-8c0067b3e7f2.png?v=1786099122</image:loc>
      <image:title>Traceable Stainless-Steel Type-K Probe, Temperature range is 50 to 700 C, Antylia, 4014</image:title>
      <image:caption>Traceable Stainless-Steel Type-K Probe, Temperature range is 50 to 700 C, Antylia, 4014</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-type-k-beaded-probe-dimensions-0-06-inch-diameter-probe-cable-length-of-4-feet-antylia-4028</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4028.png?v=1786099123</image:loc>
      <image:title>Traceable Type K Beaded Probe, Dimensions: 0.06-inch-Diameter Probe, Cable Length of 4 feet, Antylia, 4028</image:title>
      <image:caption>Traceable Type K Beaded Probe, Dimensions: 0.06-inch-Diameter Probe, Cable Length of 4 feet, Antylia, 4028</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-water-proof-thermometer-f-c-range-is-58-to-572-f-or-50-to-300-c-resolution-is-0-1-from-19-9-to-199-9-otherwise-1-antylia-4039</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4039.png?v=1786099125</image:loc>
      <image:title>Traceable Water-Proof Thermometer F/C, Range is 58 to 572 F or 50 to 300 C, Resolution is 0.1 from 19.9 to 199.9, otherwise 1, Antylia, 4039</image:title>
      <image:caption>Traceable Water-Proof Thermometer F/C, Range is 58 to 572 F or 50 to 300 C, Resolution is 0.1 from 19.9 to 199.9, otherwise 1, Antylia, 4039</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-memory-monitoring-thermometer-range-is-from-58-0-to-158-0-degree-f</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4048_00743cec-9b3f-49b6-80ce-331c1de30af9.png?v=1786099126</image:loc>
      <image:title>Traceable (Registered)  Memory Monitoring Thermometer, Range is from 58.0 to 158.0 Degree F</image:title>
      <image:caption>Traceable (Registered)  Memory Monitoring Thermometer, Range is from 58.0 to 158.0 Degree F</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-conductivity-standards-crm-10-micromhos-0-1-megohm-resistivity-6-6-tds-ppm-16-oz-500-ml-bottle-cole-parmer-4065</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4065_8841bcec-bab5-4e81-b2c9-9e3150572457.png?v=1786099127</image:loc>
      <image:title>Traceable Conductivity Standards (CRM), 10 Micromhos, 0.1 Megohm Resistivity, 6.6 TDS/PPM, 16 oz. (500 mL) Bottle, Cole Parmer, 4065</image:title>
      <image:caption>Traceable Conductivity Standards (CRM), 10 Micromhos, 0.1 Megohm Resistivity, 6.6 TDS/PPM, 16 oz. (500 mL) Bottle, Cole Parmer, 4065</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-conductivity-standards-crm-100-micromhos-0-01-megohm-resistivity-sold-by-each-each-16-oz-bottle</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4066_8e255caa-afa5-43f9-bd60-70eeb5a8f599.png?v=1786099128</image:loc>
      <image:title>Traceable (Registered)  Conductivity Standards (CRM), 100 Micromhos, 0.01 Megohm Resistivity (Sold by Each / Each = 16  oz. Bottle</image:title>
      <image:caption>Traceable (Registered)  Conductivity Standards (CRM), 100 Micromhos, 0.01 Megohm Resistivity (Sold by Each / Each = 16  oz. Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-conductivity-standards-crm-1000-micromhos-0-001-megohm-resistivity-sold-by-each-each-16-oz-bottle</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4067_cc180121-75ae-4940-b8e5-82a48f032be2.png?v=1786099130</image:loc>
      <image:title>Traceable (Registered)  Conductivity Standards (CRM), 1000 Micromhos, 0.001 Megohm Resistivity (Sold by Each / Each = 16  oz. Bottle</image:title>
      <image:caption>Traceable (Registered)  Conductivity Standards (CRM), 1000 Micromhos, 0.001 Megohm Resistivity (Sold by Each / Each = 16  oz. Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-conductivity-standards-crm-10000-micromhos-0-0001-megohm-resistivity-sold-by-each-each-16-oz</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4068.png?v=1786099131</image:loc>
      <image:title>Traceable (Registered)  Conductivity Standards (CRM), 10000 Micromhos, 0.0001 Megohm Resistivity (Sold by Each / Each = 16  oz.</image:title>
      <image:caption>Traceable (Registered)  Conductivity Standards (CRM), 10000 Micromhos, 0.0001 Megohm Resistivity (Sold by Each / Each = 16  oz.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-conductivity-standards-crm-100000-micromhos-0-00001-megohm-resistivity-sold-by-each-each-16-oz</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4069_27e9b7ee-3c2c-45f6-98e6-0603701caf6f.png?v=1786099133</image:loc>
      <image:title>Traceable (Registered)  Conductivity Standards (CRM), 100000 Micromhos, 0.00001 Megohm Resistivity (Sold by Each / Each = 16  oz.</image:title>
      <image:caption>Traceable (Registered)  Conductivity Standards (CRM), 100000 Micromhos, 0.00001 Megohm Resistivity (Sold by Each / Each = 16  oz.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-general-purpose-hygrometer-thermometer-humidity-range-of-10-00-to-95-00-rh-resolution-of-0-01-accuracy-of-1-5-temperature-range-32-0-to-122-0f-or-0-to-50c-temperature-resolution-of-0-01</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4087.png?v=1786099134</image:loc>
      <image:title>Traceable General-Purpose Hygrometer/Thermometer, Humidity range of 10.00 to 95.00%  RH resolution of 0.01%  Accuracy of 1.5%  Temperature range 32.0 to 122.0F or 0 to 50C  Temperature resolution of 0.01</image:title>
      <image:caption>Traceable General-Purpose Hygrometer/Thermometer, Humidity range of 10.00 to 95.00%  RH resolution of 0.01%  Accuracy of 1.5%  Temperature range 32.0 to 122.0F or 0 to 50C  Temperature resolution of 0.01</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-sentry-thermometer-range-is-50-to-70-c-x-1-antylia-4121</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4121.png?v=1786099135</image:loc>
      <image:title>Traceable Sentry Thermometer, Range is 50 to 70 C x 1, Antylia, 4121</image:title>
      <image:caption>Traceable Sentry Thermometer, Range is 50 to 70 C x 1, Antylia, 4121</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-temperature-controller-measurement-range-is-20-to-60-c-and-4-to-140-f-setting-range-is-32-to-140-f-0-to-60-c-controls-to-1-c-antylia-4130</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4130_d08002c3-e12f-4d4c-b4e3-c8210c60a1af.png?v=1786099137</image:loc>
      <image:title>Traceable Temperature Controller, Measurement Range is 20 to 60 C and 4 to 140 F, Setting Range is 32 to 140 F/0 to 60 C, Controls to 1 C, Antylia, 4130</image:title>
      <image:caption>Traceable Temperature Controller, Measurement Range is 20 to 60 C and 4 to 140 F, Setting Range is 32 to 140 F/0 to 60 C, Controls to 1 C, Antylia, 4130</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-computer-data-acquisition-system-with-usb-cable-for-use-with-traceable-instruments-antylia-4136</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4136_ee72d8b0-eb3b-42c5-811b-203a963500bf.png?v=1786099138</image:loc>
      <image:title>Traceable Computer Data Acquisition System with USB Cable for Use with Traceable Instruments, Antylia, 4136</image:title>
      <image:caption>Traceable Computer Data Acquisition System with USB Cable for Use with Traceable Instruments, Antylia, 4136</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-double-thermometer-range-is-50-to-1999-f-50-to-1230-c-resolution-is-0-1-from-50-0-to-199-9-f-and-1-in-both-f-and-c-over-the-range-antylia-4137</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4137.png?v=1786099139</image:loc>
      <image:title>Traceable Double Thermometer, Range is 50 to 1999 F (50 to 1230 C)  Resolution is 0.1 (From 50.0 to 199.9 F) and 1 in both F and C Over the Range, Antylia, 4137</image:title>
      <image:caption>Traceable Double Thermometer, Range is 50 to 1999 F (50 to 1230 C)  Resolution is 0.1 (From 50.0 to 199.9 F) and 1 in both F and C Over the Range, Antylia, 4137</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-alarm-thermometer-alarm-timer-display-shows-time-current-temp-and-alarm-temp-setting-antylia-4147</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4147_161fe8c2-e8d2-4a9c-8d31-dc1648b04574.png?v=1786099140</image:loc>
      <image:title>Traceable Alarm Thermometer / Alarm Timer, Display Shows Time, Current Temp and Alarm Temp Setting, Antylia, 4147</image:title>
      <image:caption>Traceable Alarm Thermometer / Alarm Timer, Display Shows Time, Current Temp and Alarm Temp Setting, Antylia, 4147</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-jumbo-refrigerator-freezer-thermometer-58-to-158-degrees-f-50-to-70-degrees-c-antylia-4148</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4148_029246c9-e9d8-4d43-bc1c-8f254818a21e.png?v=1786099141</image:loc>
      <image:title>Traceable Jumbo Refrigerator/Freezer Thermometer, -58 to 158 degrees F / -50 to 70 degrees C, Antylia, 4148</image:title>
      <image:caption>Traceable Jumbo Refrigerator/Freezer Thermometer, -58 to 158 degrees F / -50 to 70 degrees C, Antylia, 4148</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/econo-traceable-refrigerator-thermometer-range-is-14-2-to-131-0-f-and-9-9-to-55-0-c-resolution-is-0-1-traceable-4157</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4157.png?v=1786099142</image:loc>
      <image:title>Econo Traceable Refrigerator Thermometer, Range is 14.2 to 131.0 F and -9.9 to 55.0 C  Resolution is 0.1, Traceable, 4157</image:title>
      <image:caption>Econo Traceable Refrigerator Thermometer, Range is 14.2 to 131.0 F and -9.9 to 55.0 C  Resolution is 0.1, Traceable, 4157</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-big-digit-see-thru-thermometer-temperature-range-is-13-0-to-158-0-f-resolution-is-0-1-accuracy-is-1-antylia-4159</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4159.png?v=1786099144</image:loc>
      <image:title>Traceable Big-Digit See-Thru Thermometer, Temperature range is 13.0 to 158.0 F  Resolution is 0.1  Accuracy is 1, Antylia, 4159</image:title>
      <image:caption>Traceable Big-Digit See-Thru Thermometer, Temperature range is 13.0 to 158.0 F  Resolution is 0.1  Accuracy is 1, Antylia, 4159</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-big-digit-see-thru-thermometer-temperature-range-is-25-0-to-70-0-c-resolution-is-0-1-accuracy-is-1-f-model-shown-antylia-4160</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4160_cd2e7825-9501-4b7f-a8f3-50ef6eebe10f.png?v=1786099146</image:loc>
      <image:title>Traceable Big-Digit See-Thru Thermometer, Temperature Range is 25.0 to 70.0 C,  Resolution is 0.1  Accuracy is 1 (F Model Shown), Antylia, 4160</image:title>
      <image:caption>Traceable Big-Digit See-Thru Thermometer, Temperature Range is 25.0 to 70.0 C,  Resolution is 0.1  Accuracy is 1 (F Model Shown), Antylia, 4160</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/redi-stor-conductivity-probe-storage-solution-sold-by-each-each-16-oz-16-oz-bottle</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4170.png?v=1786099147</image:loc>
      <image:title>Redi-Stor Conductivity Probe Storage Solution (Sold by Each / Each = 16  oz.16  oz. Bottle)</image:title>
      <image:caption>Redi-Stor Conductivity Probe Storage Solution (Sold by Each / Each = 16  oz.16  oz. Bottle)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-conductivity-standards-crm-1413-micromhos-0-00071-megohm-resistivity-sold-by-each-each-16-oz-bottle</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4173.png?v=1786099149</image:loc>
      <image:title>Traceable (Registered)  Conductivity Standards (CRM), 1413 Micromhos, 0.00071 Megohm Resistivity (Sold by Each / Each = 16  oz. Bottle</image:title>
      <image:caption>Traceable (Registered)  Conductivity Standards (CRM), 1413 Micromhos, 0.00071 Megohm Resistivity (Sold by Each / Each = 16  oz. Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-one-shot-conductivity-1413-micromhos-0-00071-megohms-resistivity-100-ml-package-of-6</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4174.png?v=1786099150</image:loc>
      <image:title>Traceable (Registered)  One-Shot Conductivity, 1413 Micromhos, 0.00071 Megohms Resistivity, 100 mL (Package of 6)</image:title>
      <image:caption>Traceable (Registered)  One-Shot Conductivity, 1413 Micromhos, 0.00071 Megohms Resistivity, 100 mL (Package of 6)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-one-shot-conductivity-10-micromhos-0-1-megohms-resistivity-100-ml-package-of-6</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4175.png?v=1786678480</image:loc>
      <image:title>Traceable (Registered)  One-Shot Conductivity, 10 Micromhos, 0.1 Megohms Resistivity, 100 mL (Package of 6)</image:title>
      <image:caption>Traceable (Registered)  One-Shot Conductivity, 10 Micromhos, 0.1 Megohms Resistivity, 100 mL (Package of 6)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-one-shot-conductivity-100-micromhos-0-01-megohms-resistivity-100-ml-package-of-6</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4176_61d053fd-7fc1-41ee-bfb9-c0787dbbac0b.png?v=1786099152</image:loc>
      <image:title>Traceable (Registered)  One-Shot Conductivity, 100 Micromhos, 0.01 Megohms Resistivity, 100 mL (Package of 6)</image:title>
      <image:caption>Traceable (Registered)  One-Shot Conductivity, 100 Micromhos, 0.01 Megohms Resistivity, 100 mL (Package of 6)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-one-shot-conductivity-1000-micromhos-0-001-megohms-resistivity-100-ml-package-of-6</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4177_b0c1f013-a919-429a-aa80-466e922ed390.png?v=1786099154</image:loc>
      <image:title>Traceable (Registered)  One-Shot Conductivity, 1000 Micromhos, 0.001 Megohms Resistivity, 100 mL (Package of 6)</image:title>
      <image:caption>Traceable (Registered)  One-Shot Conductivity, 1000 Micromhos, 0.001 Megohms Resistivity, 100 mL (Package of 6)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-one-shot-conductivity-10000-micromhos-0-0001-megohms-resistivity-100-ml-package-of-6</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4178.png?v=1786099155</image:loc>
      <image:title>Traceable (Registered)  One-Shot Conductivity, 10000 Micromhos, 0.0001 Megohms Resistivity, 100 mL (Package of 6)</image:title>
      <image:caption>Traceable (Registered)  One-Shot Conductivity, 10000 Micromhos, 0.0001 Megohms Resistivity, 100 mL (Package of 6)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-registered-one-shot-conductivity-100000-micromhos-0-00001-megohms-resistivity-100-ml-package-of-6</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4179.png?v=1786099156</image:loc>
      <image:title>Traceable (Registered)  One-Shot Conductivity, 100000 Micromhos, 0.00001 Megohms Resistivity, 100 mL (Package of 6)</image:title>
      <image:caption>Traceable (Registered)  One-Shot Conductivity, 100000 Micromhos, 0.00001 Megohms Resistivity, 100 mL (Package of 6)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-100-0-platinum-freezer-thermometer-range-99-9-to-199-9-c-accuracy-is-2-c-resolution-is-0-1-antylia-4230</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4230.png?v=1786099157</image:loc>
      <image:title>Traceable -100.0 Platinum Freezer Thermometer, Range 99.9 to 199.9 C  Accuracy is 2 C  Resolution is 0.1, Antylia, 4230</image:title>
      <image:caption>Traceable -100.0 Platinum Freezer Thermometer, Range 99.9 to 199.9 C  Accuracy is 2 C  Resolution is 0.1, Antylia, 4230</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-high-accuracy-min-max-range-is-58-to-158-f-50-to-70-c-resolution-of-0-01-accuracy-of-0-30-c-antylia-4238</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4238_700db30f-2f98-4f27-9632-e612121c555d.png?v=1786099159</image:loc>
      <image:title>Traceable High Accuracy MIN/MAX Range is 58 to 158 F / 50 to 70 C  Resolution of 0.01  Accuracy of 0.30 C, Antylia, 4238</image:title>
      <image:caption>Traceable High Accuracy MIN/MAX Range is 58 to 158 F / 50 to 70 C  Resolution of 0.01  Accuracy of 0.30 C, Antylia, 4238</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-hygrometer-thermometer-barometer-dew-point-pen-32-to-122-degrees-f-antylia-4247</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4247_f619d1a8-d0f9-460d-8e4f-5533d6ea225c.png?v=1786099160</image:loc>
      <image:title>Traceable Hygrometer/Thermometer/Barometer/Dew Point Pen, 32 to 122 degrees F, Antylia, 4247</image:title>
      <image:caption>Traceable Hygrometer/Thermometer/Barometer/Dew Point Pen, 32 to 122 degrees F, Antylia, 4247</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-thermometer-with-time-date-max-min-memory-supplied-with-a-special-bottle-probe-range-is-40-0-to-176-0-f-and-40-0-to-80-0-c-resolution-is-0-5-accuracy-is-1-5-c-antylia-4305</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4305.png?v=1786099161</image:loc>
      <image:title>Traceable Thermometer with Time/Date Max/Min Memory, Supplied with a Special Bottle Probe, Range is 40.0 to 176.0 F and 40.0 to 80.0 C, Resolution is 0.5, Accuracy is 1.5 C, Antylia, 4305</image:title>
      <image:caption>Traceable Thermometer with Time/Date Max/Min Memory, Supplied with a Special Bottle Probe, Range is 40.0 to 176.0 F and 40.0 to 80.0 C, Resolution is 0.5, Accuracy is 1.5 C, Antylia, 4305</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-hot-wire-anemometer-thermometer-7-in-x-3-in-x-1-1-4-in-antylia-4330</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4330_25eb62a5-19e5-4832-8af3-b791d99defba.png?v=1786099163</image:loc>
      <image:title>Traceable Hot Wire Anemometer / Thermometer, 7 in. x 3 in. x 1-1/4 in., Antylia, 4330</image:title>
      <image:caption>Traceable Hot Wire Anemometer / Thermometer, 7 in. x 3 in. x 1-1/4 in., Antylia, 4330</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-key-chain-thermometer-range-is-58-to-302-f-and-50-to-150-c-resolution-is-0-1-antylia-4351</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4351_de7cf5b0-1593-441c-af36-45301e225e22.png?v=1786099164</image:loc>
      <image:title>Traceable Key-Chain Thermometer, Range is 58 to 302 F and 50 to 150 C  Resolution is 0.1, Antylia, 4351</image:title>
      <image:caption>Traceable Key-Chain Thermometer, Range is 58 to 302 F and 50 to 150 C  Resolution is 0.1, Antylia, 4351</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-extra-long-stem-ultra-thermometer-range-is-58-to-572-f-and-50-to-300-c-x-0-1-accuracy-0-5-c-antylia-4354</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4354.png?v=1786099165</image:loc>
      <image:title>Traceable Extra-Long-Stem Ultra Thermometer, Range is 58 to 572 F and 50 to 300 C x 0.1,  Accuracy 0.5 C, Antylia, 4354</image:title>
      <image:caption>Traceable Extra-Long-Stem Ultra Thermometer, Range is 58 to 572 F and 50 to 300 C x 0.1,  Accuracy 0.5 C, Antylia, 4354</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-jumbo-refrigerator-freezer-thermometer-range-is-58-to-158-f-50-to-70-c-resolution-0-1-antylia-4548</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-4548.png?v=1786099166</image:loc>
      <image:title>Traceable Jumbo Refrigerator/Freezer Thermometer, Range is 58 to 158 F / 50 to 70 C  Resolution 0.1, Antylia, 4548</image:title>
      <image:caption>Traceable Jumbo Refrigerator/Freezer Thermometer, Range is 58 to 158 F / 50 to 70 C  Resolution 0.1, Antylia, 4548</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-four-channel-alarm-timer-timing-range-is-99-hours-59-minutes-59-seconds-antylia-5004</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-5004.png?v=1786099168</image:loc>
      <image:title>Traceable Four-Channel Alarm Timer, Timing Range is 99 Hours, 59 Minutes, 59 Seconds, Antylia, 5004</image:title>
      <image:caption>Traceable Four-Channel Alarm Timer, Timing Range is 99 Hours, 59 Minutes, 59 Seconds, Antylia, 5004</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-three-line-alarm-timer-timing-range-is-99-hours-59-minutes-59-seconds-antylia-5008</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-5008_a8597357-8e2e-4f5b-9352-cc81217d2fa5.png?v=1786099169</image:loc>
      <image:title>Traceable Three-Line Alarm Timer, Timing Range is 99 Hours, 59 Minutes, 59 Seconds, Antylia, 5008</image:title>
      <image:caption>Traceable Three-Line Alarm Timer, Timing Range is 99 Hours, 59 Minutes, 59 Seconds, Antylia, 5008</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-triple-display-timer-count-up-down-time-in-out-memory-alarm-range-19-hours-59-minutes-59-seconds-antylia-5025</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-5025.png?v=1787024056</image:loc>
      <image:title>Traceable Triple-Display Timer, Count Up/Down, Time In/Out, Memory, Alarm, Range 19 Hours, 59 Minutes, 59 Seconds, Antylia, 5025</image:title>
      <image:caption>Traceable Triple-Display Timer, Count Up/Down, Time In/Out, Memory, Alarm, Range 19 Hours, 59 Minutes, 59 Seconds, Antylia, 5025</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-digital-barometer-with-calibration-cole-parmer-68000-49</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CNL-6530_c5a7f345-d912-4fd8-a8ab-d1196aa3eabe.png?v=1786099172</image:loc>
      <image:title>Traceable Digital Barometer with Calibration, Cole-Parmer, 68000-49</image:title>
      <image:caption>Traceable Digital Barometer with Calibration, Cole-Parmer, 68000-49</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/rdo-probe-optical-cap-replacement-orion-087001</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COL-087001.png?v=1786099173</image:loc>
      <image:title>RDO Probe Optical Cap Replacement, Orion, 087001</image:title>
      <image:caption>RDO Probe Optical Cap Replacement, Orion, 087001</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/1-in-nptf-t-fitting-with-3-4-in-nptf-adapter-cpvc-for-in-line-electrodes-cole-parmer-instrument-company-kp-27003-80</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COL-KP27003-80_2e6e2413-f10a-4461-bc1c-d77c8516cd5c.png?v=1786099174</image:loc>
      <image:title>1 in. NPT(F) T-Fitting with 3/4 in. NPT(F) Adapter, CPVC for In-Line Electrodes, Cole-Parmer Instrument Company, KP-27003-80</image:title>
      <image:caption>1 in. NPT(F) T-Fitting with 3/4 in. NPT(F) Adapter, CPVC for In-Line Electrodes, Cole-Parmer Instrument Company, KP-27003-80</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pen-for-chart-recorder-red-6-pk-cole-parmer-instrument-co-wd-08368-80</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COL-WD-08368-80.png?v=1786099176</image:loc>
      <image:title>Pen for Chart Recorder, Red 6/PK, Cole Parmer Instrument Co., WD-08368-80</image:title>
      <image:caption>Pen for Chart Recorder, Red 6/PK, Cole Parmer Instrument Co., WD-08368-80</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ph-electrode-gp-single-junction-glass-body-10-ft-cable-bnc-cole-parmer-instrument-co-wd-05994-22</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COL-WD05994-20_4b985eb3-e744-4e45-adeb-f7e9f8c418b3.png?v=1786099177</image:loc>
      <image:title>pH Electrode/GP/Single Junction/Glass Body/10 ft Cable/BNC, Cole Parmer Instrument Co., WD-05994-22</image:title>
      <image:caption>pH Electrode/GP/Single Junction/Glass Body/10 ft Cable/BNC, Cole Parmer Instrument Co., WD-05994-22</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/replacement-do-probe-membrane-cap-kit-2-caps-with-electrolyte-solution-30-ml-cole-parmer-instrument-company-wd-35640-80</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COL-WD35640-80_e60f50ba-35b9-446f-867e-5f6614de0ae7.png?v=1786099178</image:loc>
      <image:title>Replacement DO Probe Membrane Cap Kit (2 Caps) with Electrolyte Solution (30 mL), Cole-Parmer Instrument Company, WD-35640-80</image:title>
      <image:caption>Replacement DO Probe Membrane Cap Kit (2 Caps) with Electrolyte Solution (30 mL), Cole-Parmer Instrument Company, WD-35640-80</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/syringe-filters-nylon-0-45-micron-25-mm-diameter-non-sterile-100-pk</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-02915-14.png?v=1786099179</image:loc>
      <image:title>Syringe Filters, Nylon, 0.45 micron, 25 mm Diameter, Non-Sterile, 100/PK</image:title>
      <image:caption>Syringe Filters, Nylon, 0.45 micron, 25 mm Diameter, Non-Sterile, 100/PK</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/reusable-hose-clamp-kit-acetyl-copolymer-white-assorted-170-pc-cole-parmer-instrument-company-ew-06832-99</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-6832-99.png?v=1786099180</image:loc>
      <image:title>Reusable Hose Clamp Kit, Acetyl Copolymer, White, Assorted, 170 pc, Cole-Parmer Instrument Company, EW-06832-99</image:title>
      <image:caption>Reusable Hose Clamp Kit, Acetyl Copolymer, White, Assorted, 170 pc, Cole-Parmer Instrument Company, EW-06832-99</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/reusable-hose-clamps-acetyl-copolymer-0-779-in-x-0-889-in-100-pk-cole-parmer-instrument-company-ew-06832-18</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-683218_49bfca89-d6e5-462b-ae2c-4b2356a8c61e.png?v=1786099182</image:loc>
      <image:title>Reusable Hose Clamps, Acetyl Copolymer, 0.779 in. x 0.889 in., 100/PK, Cole-Parmer Instrument Company, EW-06832-18</image:title>
      <image:caption>Reusable Hose Clamps, Acetyl Copolymer, 0.779 in. x 0.889 in., 100/PK, Cole-Parmer Instrument Company, EW-06832-18</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/guzzler-500-h-diaphragm-hand-pump-12-gpm-5-strokes-gal-cole-parmer-instrument-company-wd-07090-11</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-7090-11.png?v=1786099183</image:loc>
      <image:title>Guzzler 500-H Diaphragm Hand Pump, 12 gpm, 5 Strokes/Gal, Cole-Parmer Instrument Company, WD-07090-11</image:title>
      <image:caption>Guzzler 500-H Diaphragm Hand Pump, 12 gpm, 5 Strokes/Gal, Cole-Parmer Instrument Company, WD-07090-11</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/myron-l-tp1-techpro-ii-conductivity-tds-meter</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-EW19707-05_88d14150-81b4-4876-91e1-997dc24bd6c4.png?v=1786099185</image:loc>
      <image:title>Myron L TP1 TechPro II Conductivity/TDS Meter</image:title>
      <image:caption>Myron L TP1 TechPro II Conductivity/TDS Meter</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ph-7-00-buffer-solution-500-ml-cole-parmer-instrument-co-wd-00654-04</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-WD-00654-04_4bcee794-1272-499e-b974-6c7e5cf0ec03.png?v=1786099187</image:loc>
      <image:title>pH 7.00 Buffer Solution, 500 mL, Cole Parmer Instrument Co., WD-00654-04</image:title>
      <image:caption>pH 7.00 Buffer Solution, 500 mL, Cole Parmer Instrument Co., WD-00654-04</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/zero-oxygen-calibration-solution-500-ml-cole-parmer-instrument-co-wd-00653-00</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-WD00653-00.png?v=1786099189</image:loc>
      <image:title>Zero Oxygen Calibration Solution, 500 mL, Cole Parmer Instrument Co., WD-00653-00</image:title>
      <image:caption>Zero Oxygen Calibration Solution, 500 mL, Cole Parmer Instrument Co., WD-00653-00</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ph-4-01-buffer-solution-500-ml-cole-parmer-instrument-co-wd-00654-00</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-WD00654-00.png?v=1786099191</image:loc>
      <image:title>pH 4.01 Buffer Solution, 500 mL, Cole Parmer Instrument Co., WD-00654-00</image:title>
      <image:caption>pH 4.01 Buffer Solution, 500 mL, Cole Parmer Instrument Co., WD-00654-00</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ph-10-01-buffer-solution-500-ml-cole-parmer-instrument-co-wd-00654-08</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-WD00654-08_0f9b6f93-2d2c-4700-9196-a28f2b4a1ad9.png?v=1786099192</image:loc>
      <image:title>pH 10.01 Buffer Solution, 500 mL, Cole Parmer Instrument Co., WD-00654-08</image:title>
      <image:caption>pH 10.01 Buffer Solution, 500 mL, Cole Parmer Instrument Co., WD-00654-08</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/do-probe-electrolyte-solution-500-ml-cole-parmer-instrument-co-wd-35640-71</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-WD35640-71_f25bc112-fd39-4068-bc75-96cb16e9b779.png?v=1786099194</image:loc>
      <image:title>DO Probe Electrolyte Solution, 500 mL, Cole Parmer Instrument Co., WD-35640-71</image:title>
      <image:caption>DO Probe Electrolyte Solution, 500 mL, Cole Parmer Instrument Co., WD-35640-71</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ph-electrode-gp-double-junction-epoxy-body-sealed-3-ft-cable-bnc-cole-parmer-instrument-co-wd-35805-01</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COP-WD35805-01_9a7a11f7-f965-4bf6-901e-5ee4cd8dfc04.png?v=1786099195</image:loc>
      <image:title>pH Electrode/GP/Double Junction/Epoxy Body/Sealed/3 ft. Cable/BNC, Cole Parmer Instrument Co., WD-35805-01</image:title>
      <image:caption>pH Electrode/GP/Double Junction/Epoxy Body/Sealed/3 ft. Cable/BNC, Cole Parmer Instrument Co., WD-35805-01</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-square-media-bottle-with-gl32-screw-cap-100-ml-10-cs-corning-1396-100</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-1396-100.png?v=1786099196</image:loc>
      <image:title>PYREX Square Media Bottle with GL32 Screw Cap, 100 mL, 10/CS, Corning, 1396-100</image:title>
      <image:caption>PYREX Square Media Bottle with GL32 Screw Cap, 100 mL, 10/CS, Corning, 1396-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-round-wide-mouth-media-bottle-withgls80-screw-cap-1-l-10-cs-corning-1397-1-l</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-1397-1L.png?v=1786099198</image:loc>
      <image:title>PYREX Round Wide-Mouth Media Bottle withGLS80 Screw Cap, 1 L, 10/CS, Corning, 1397-1 L</image:title>
      <image:caption>PYREX Round Wide-Mouth Media Bottle withGLS80 Screw Cap, 1 L, 10/CS, Corning, 1397-1 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-round-wide-mouth-media-bottle-with-gls80-screw-cap-500-ml-10-cs-corning-1397-500</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-1397-500.png?v=1786099199</image:loc>
      <image:title>PYREX Round Wide-Mouth Media Bottle with GLS80 Screw Cap, 500 mL 10/CS, Corning , 1397-500</image:title>
      <image:caption>PYREX Round Wide-Mouth Media Bottle with GLS80 Screw Cap, 500 mL 10/CS, Corning , 1397-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/graduated-cylinder-pyrex-class-a-double-scale-500-ml-corning-3026-500</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-3026-500.png?v=1786099200</image:loc>
      <image:title>Graduated Cylinder, Pyrex, Class A, Double Scale, 500 mL, Corning, 3026-500</image:title>
      <image:caption>Graduated Cylinder, Pyrex, Class A, Double Scale, 500 mL, Corning, 3026-500</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex%C2%AE-replacement-ring-for-2-2-l-desiccator</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-3118RO-01.png?v=1787715297</image:loc>
      <image:title>PYREX® Replacement Ring for 2.2 L Desiccator</image:title>
      <image:caption>PYREX® Replacement Ring for 2.2 L Desiccator</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/96-well-clear-flat-bottom-microplate-uv-transparent-without-lid-non-sterile-50-cs-corning-3635</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-3635.png?v=1786506486</image:loc>
      <image:title>96 Well Clear, Flat Bottom Microplate UV-Transparent without  Lid, Non-Sterile 50/CS, Corning, 3635</image:title>
      <image:caption>96 Well Clear, Flat Bottom Microplate UV-Transparent without  Lid, Non-Sterile 50/CS, Corning, 3635</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/barnstead-clamp-dr-coupling-2-in-for-1-6-l-hr-barnstead-megapure-stills-thermo-scientific-409171</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-409171.png?v=1786099204</image:loc>
      <image:title>Barnstead Clamp, DR coupling, 2 in., for 1.6 L/hr Barnstead Megapure Stills, Thermo Scientific, 409171</image:title>
      <image:caption>Barnstead Clamp, DR coupling, 2 in., for 1.6 L/hr Barnstead Megapure Stills, Thermo Scientific, 409171</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-registered-class-a-wide-mouth-volumetric-flask-heavy-duty-with-pyrex-standard-taper-stopper-10-ml-6-cs-corning-5635-10</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-5635-10.png?v=1786099206</image:loc>
      <image:title>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 10 mL, 6/CS, Corning, 5635-10</image:title>
      <image:caption>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 10 mL, 6/CS, Corning, 5635-10</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-registered-class-a-wide-mouth-volumetric-flask-heavy-duty-with-pyrex-standard-taper-stopper-100-ml-6-cs-corning-5635-100</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-5635-100.png?v=1786099207</image:loc>
      <image:title>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 100 mL, 6/CS, Corning, 5635-100</image:title>
      <image:caption>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 100 mL, 6/CS, Corning, 5635-100</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-registered-class-a-wide-mouth-volumetric-flask-heavy-duty-with-pyrex-standard-taper-stopper-200-ml-6-cs-corning-5635-200</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-5635-200.png?v=1786099208</image:loc>
      <image:title>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 200 mL, 6/CS, Corning, 5635-200</image:title>
      <image:caption>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 200 mL, 6/CS, Corning, 5635-200</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-registered-class-a-wide-mouth-volumetric-flask-heavy-duty-with-pyrex-standard-taper-stopper-25-ml-6-cs-corning-5635-25</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-5635-25_825f8db0-1e67-47f9-9a78-c3fcac6d3f8b.png?v=1786099209</image:loc>
      <image:title>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 25 mL, 6/CS, Corning, 5635-25</image:title>
      <image:caption>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 25 mL, 6/CS, Corning, 5635-25</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-registered-class-a-wide-mouth-volumetric-flask-heavy-duty-with-pyrex-standard-taper-stopper-250-ml-6-cs-corning-5635-250</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-5635-250.png?v=1786099211</image:loc>
      <image:title>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 250 mL, 6/CS, Corning, 5635-250</image:title>
      <image:caption>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 250 mL, 6/CS, Corning, 5635-250</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pyrex-registered-class-a-wide-mouth-volumetric-flask-heavy-duty-with-pyrex-standard-taper-stopper-50-ml-6-cs-corning-5635-50</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-5635-50.png?v=1786099212</image:loc>
      <image:title>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 50 mL, 6/CS, Corning, 5635-50</image:title>
      <image:caption>Pyrex (Registered) Class A, Wide Mouth Volumetric Flask, Heavy Duty, with PYREX Standard Taper Stopper, 50 mL, 6/CS, Corning, 5635-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/centrifuge-tube-pyrex-conical-with-graduations-screw-cap-15-ml-12-cs-corning-8082-15</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/COR-8082-15.png?v=1786099214</image:loc>
      <image:title>Centrifuge Tube, Pyrex, Conical, with Graduations &amp; Screw Cap 15 mL 12/CS, Corning, 8082-15</image:title>
      <image:caption>Centrifuge Tube, Pyrex, Conical, with Graduations &amp; Screw Cap 15 mL 12/CS, Corning, 8082-15</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/desiccator-pyrex-2-4-l-small-knob-top-2400-ml-volume-140-mm-plate-diameter-corning-3081-150</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CRN-3081-150.png?v=1786099216</image:loc>
      <image:title>Desiccator, Pyrex, 2.4 L Small Knob Top, 2400 mL Volume, 140 mm Plate Diameter, Corning, 3081-150</image:title>
      <image:caption>Desiccator, Pyrex, 2.4 L Small Knob Top, 2400 mL Volume, 140 mm Plate Diameter, Corning, 3081-150</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/evaporating-dish-porcelain-high-alumina-circular-20-ml-65592</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CRS-65592.png?v=1786099218</image:loc>
      <image:title>Evaporating Dish, Porcelain High Alumina, Circular, 20 mL 65592</image:title>
      <image:caption>Evaporating Dish, Porcelain High Alumina, Circular, 20 mL 65592</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/evaporating-dish-porcelain-high-alumina-circular-50-ml-65593</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CRS-65593.png?v=1786099219</image:loc>
      <image:title>Evaporating Dish, Porcelain High Alumina, Circular, 50 mL 65593</image:title>
      <image:caption>Evaporating Dish, Porcelain High Alumina, Circular, 50 mL 65593</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/evaporating-dish-porcelain-high-alumina-circular-100-ml-65594</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CRS-65594.png?v=1786099220</image:loc>
      <image:title>Evaporating Dish, Porcelain High Alumina, Circular, 100 mL 65594</image:title>
      <image:caption>Evaporating Dish, Porcelain High Alumina, Circular, 100 mL 65594</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-jumbo-display-dial-thermometer-range-is-58-to-302f-50-to-150c-resolution-is-0-1-from-20-to-200-1-outside-this-range-antylia-4049</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CTL-4049_f798f002-6143-433c-a7e1-f125e44f6962.png?v=1786099221</image:loc>
      <image:title>Traceable Jumbo-Display Dial Thermometer, Range is 58 to 302F/50 to 150C  Resolution is 0.1 from 20 to 200; 1 Outside this Range, Antylia, 4049</image:title>
      <image:caption>Traceable Jumbo-Display Dial Thermometer, Range is 58 to 302F/50 to 150C  Resolution is 0.1 from 20 to 200; 1 Outside this Range, Antylia, 4049</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-thermometer-with-time-date-max-min-memory-range-is-40-0-to-176-0-f-and-40-0-to-80-0-c-resolution-is-0-5-antylia-4105</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CTL-4105.png?v=1786099223</image:loc>
      <image:title>Traceable Thermometer with Time/Date Max/Min Memory, Range is 40.0 to 176.0 F and 40.0 to 80.0 C  Resolution is 0.5, Antylia, 4105</image:title>
      <image:caption>Traceable Thermometer with Time/Date Max/Min Memory, Range is 40.0 to 176.0 F and 40.0 to 80.0 C  Resolution is 0.5, Antylia, 4105</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-digital-therm-with-rec-output-range-is-50-to-1999-f-and-50-to-1300-c-resolution-is-0-1-from-50-0-to-199-9-and-is-1-for-all-other-readings-antylia-4134</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CTL-4134.png?v=1786099225</image:loc>
      <image:title>Traceable Digital Therm. with Rec. Output, Range is 50 to 1999 F and 50 to 1300 C, Resolution is 0.1 from 50.0 to 199.9 and is 1 for all Other Readings, Antylia, 4134</image:title>
      <image:caption>Traceable Digital Therm. with Rec. Output, Range is 50 to 1999 F and 50 to 1300 C, Resolution is 0.1 from 50.0 to 199.9 and is 1 for all Other Readings, Antylia, 4134</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-mini-thermometer-range-is-58-0-to-302-0-f-and-50-0-to-150-0-c-resolution-is-0-1-between-20-0-and-200-0-antylia-4146</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CTL-4146_ca8eb722-fe3c-4e07-9a30-64700ada3191.png?v=1786099226</image:loc>
      <image:title>Traceable Mini-Thermometer, Range is 58.0 to 302.0 F and 50.0 to 150.0 C  Resolution is 0.1 Between 20.0 and 200.0, Antylia, 4146</image:title>
      <image:caption>Traceable Mini-Thermometer, Range is 58.0 to 302.0 F and 50.0 to 150.0 C  Resolution is 0.1 Between 20.0 and 200.0, Antylia, 4146</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hand-held-traceable-barometer</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CTL-4198.png?v=1786099227</image:loc>
      <image:title>Hand Held Traceable Barometer</image:title>
      <image:caption>Hand Held Traceable Barometer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/traceable-jumbo-timer-timing-range-is-24-hours-to-1-second-5022</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/CTL-5022_398482c7-1ac7-4bbe-a8a5-d5405d11e4b1.png?v=1786099229</image:loc>
      <image:title>Traceable Jumbo Timer, Timing range is 24 hours to 1 second, , 5022</image:title>
      <image:caption>Traceable Jumbo Timer, Timing range is 24 hours to 1 second, , 5022</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/extra-shelf-for-lac2-18-despatch-oven-plated-wire-23-75-x-35-31-in</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DES-107138_acac3c13-1791-4c28-a96e-4fdc854590ca.png?v=1786099231</image:loc>
      <image:title>Extra Shelf for LAC2-18 Despatch Oven, Plated Wire, 23.75 x 35.31 in.</image:title>
      <image:caption>Extra Shelf for LAC2-18 Despatch Oven, Plated Wire, 23.75 x 35.31 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/blower-motor-for-despatch-lac-2-18-6-oven-240-v-itw-eae-9-141828</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DES-141828.png?v=1786099232</image:loc>
      <image:title>Blower Motor for Despatch LAC 2/18/6 Oven, 240 V, ITW EAE, 9-141828</image:title>
      <image:caption>Blower Motor for Despatch LAC 2/18/6 Oven, 240 V, ITW EAE, 9-141828</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nutrient-agar-general-purpose-medium-for-wide-variety-of-microorganisms-100-g-21200</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0001-15_b8b7ee27-b6a9-44bb-b5aa-691107dac6aa.png?v=1786099234</image:loc>
      <image:title>Nutrient Agar, General Purpose Medium for Wide Variety of Microorganisms, 100 g, 21200</image:title>
      <image:caption>Nutrient Agar, General Purpose Medium for Wide Variety of Microorganisms, 100 g, 21200</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/brilliant-green-bile-2-bd-500-g-non-regulated-difco-274000</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0007-17.png?v=1786099235</image:loc>
      <image:title>Brilliant Green Bile 2% BD, 500 g (Non Regulated), Difco, 274000</image:title>
      <image:caption>Brilliant Green Bile 2% BD, 500 g (Non Regulated), Difco, 274000</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/lauryl-tryptose-broth-medium-for-detection-of-coliform-bacteria</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0241-01.png?v=1786099237</image:loc>
      <image:title>Lauryl Tryptose Broth, Medium, For Detection of Coliform Bacteria</image:title>
      <image:caption>Lauryl Tryptose Broth, Medium, For Detection of Coliform Bacteria</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/lauryl-tryptose-broth-100g</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0241-15_59533248-8d38-435d-97d5-40d9a95bb58d.png?v=1786099238</image:loc>
      <image:title>Lauryl Tryptose Broth,100g</image:title>
      <image:caption>Lauryl Tryptose Broth,100g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ec-medium-granular-100-g</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0314-15.png?v=1786099239</image:loc>
      <image:title>EC Medium (Granular), 100 g</image:title>
      <image:caption>EC Medium (Granular), 100 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ec-medium-granular-500-gm</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0314-17_cdc13874-92e8-4c09-a106-1ebde6889433.png?v=1786099241</image:loc>
      <image:title>EC Medium (Granular), 500 gm</image:title>
      <image:caption>EC Medium (Granular), 500 gm</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tryptic-soy-broth-soybean-casein-digest-medium-100-g-bottle</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0370-15_7dd44029-46c8-4a7d-978d-ba67c70a11e7.png?v=1786099242</image:loc>
      <image:title>Tryptic Soy Broth, Soybean-Casein Digest, Medium, 100 g Bottle</image:title>
      <image:caption>Tryptic Soy Broth, Soybean-Casein Digest, Medium, 100 g Bottle</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/difco-tryptic-soy-broth-soybean-casein-digest-medium-500-g-bd-diagnostics-211825</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0370-500G.png?v=1786099244</image:loc>
      <image:title>DIFCO Tryptic Soy Broth (Soybean-Casein Digest Medium), 500 g, Becton Dickinson (BD), 211825</image:title>
      <image:caption>DIFCO Tryptic Soy Broth (Soybean-Casein Digest Medium), 500 g, Becton Dickinson (BD), 211825</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/plate-count-agar-enumeration-of-bacteria-in-water-wastewater-food-and-dairy-100-g</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0479-15.png?v=1786099245</image:loc>
      <image:title>Plate Count Agar, Enumeration of Bacteria in Water, Wastewater, Food and Dairy, 100 g</image:title>
      <image:caption>Plate Count Agar, Enumeration of Bacteria in Water, Wastewater, Food and Dairy, 100 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/mfc-agar-use-with-rosolic-acid-for-detection-and-enumeration-of-fecal-coliforms-by-the-membrane-filter-technique-at-elevated-temperatures-500-g</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0677-17.png?v=1786099246</image:loc>
      <image:title>MFC Agar, Use with Rosolic Acid, For Detection and Enumeration of Fecal Coliforms by the Membrane Filter Technique at Elevated Temperatures, 500 g</image:title>
      <image:caption>MFC Agar, Use with Rosolic Acid, For Detection and Enumeration of Fecal Coliforms by the Membrane Filter Technique at Elevated Temperatures, 500 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/m-endo-broth-500g</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0749-17.png?v=1786099248</image:loc>
      <image:title>m-Endo Broth 500g</image:title>
      <image:caption>m-Endo Broth 500g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/m-fc-broth-100-g-bbl288320</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0883-15.png?v=1786099249</image:loc>
      <image:title>m-FC Broth,100 g (BBL288320)</image:title>
      <image:caption>m-FC Broth,100 g (BBL288320)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/m-fc-broth-base-use-with-rosolic-acid-for-detection-and-enumeration-of-fecal-coliforms-by-the-membrane-filter-technique-at-elevated-temperatures-500-g</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-0883-17.png?v=1786099251</image:loc>
      <image:title>M-FC Broth Base, Use with Rosolic Acid for Detection and Enumeration of Fecal Coliforms by the Membrane Filter Technique at Elevated Temperatures, 500 g</image:title>
      <image:caption>M-FC Broth Base, Use with Rosolic Acid for Detection and Enumeration of Fecal Coliforms by the Membrane Filter Technique at Elevated Temperatures, 500 g</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/difco-salmonella-o-antisera-group-d1-factors-1-9-12-lyophilized-serum-bd-229511</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-229511.png?v=1786099255</image:loc>
      <image:title>Difco Salmonella O Antisera Group D1, Factors 1, 9, 12,  Lyophilized Serum, BD, 229511</image:title>
      <image:caption>Difco Salmonella O Antisera Group D1, Factors 1, 9, 12,  Lyophilized Serum, BD, 229511</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/plate-count-agar-for-enumeration-of-bacteria-in-water-wastewater-food-and-dairy</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-247940.png?v=1786099256</image:loc>
      <image:title>Plate Count AGAR. For Enumeration of Bacteria in Water, Wastewater, Food, and Dairy</image:title>
      <image:caption>Plate Count AGAR. For Enumeration of Bacteria in Water, Wastewater, Food, and Dairy</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/rosolic-acid-use-with-mfc-broth-base-and-mfc-agar-for-detection-and-enumeration-of-fecal-coliforms-6-1-g-bottles</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DIF-3228-09.png?v=1786099258</image:loc>
      <image:title>Rosolic Acid, Use with MFC Broth Base and MFC Agar for Detection and Enumeration of Fecal Coliforms, 6 - 1 g Bottles</image:title>
      <image:caption>Rosolic Acid, Use with MFC Broth Base and MFC Agar for Detection and Enumeration of Fecal Coliforms, 6 - 1 g Bottles</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottles-azlon-wide-mouth-hdpe-with-pp-closure-500-ml-16-oz</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYL-301615-0016.png?v=1786099260</image:loc>
      <image:title>Bottles, Azlon Wide-Mouth HDPE with PP Closure, 500 mL (16 oz)</image:title>
      <image:caption>Bottles, Azlon Wide-Mouth HDPE with PP Closure, 500 mL (16 oz)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bottles-azlon-wide-mouth-hdpe-with-pp-closure-1000-ml-32-oz-301615-0032</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYL-301615-0032.png?v=1786099261</image:loc>
      <image:title>Bottles, Azlon Wide-Mouth HDPE with PP Closure, 1000 mL (32 oz), 301615-0032</image:title>
      <image:caption>Bottles, Azlon Wide-Mouth HDPE with PP Closure, 1000 mL (32 oz), 301615-0032</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dymo-organizer-xpress-handheld-embossing-label-maker</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYM-12965.png?v=1786099262</image:loc>
      <image:title>DYMO Organizer Xpress Handheld Embossing Label Maker</image:title>
      <image:caption>DYMO Organizer Xpress Handheld Embossing Label Maker</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-graduated-plastic-tri-stir-50-ml-case-of-100</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYM-80092.png?v=1786099263</image:loc>
      <image:title>Beaker, Graduated, Plastic Tri-Stir, 50 mL (Case of 100)</image:title>
      <image:caption>Beaker, Graduated, Plastic Tri-Stir, 50 mL (Case of 100)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-graduated-plastic-tri-stir-100-ml-case-of-100</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYM-80093.png?v=1786099265</image:loc>
      <image:title>Beaker, Graduated, Plastic Tri-Stir, 100 mL (Case of 100)</image:title>
      <image:caption>Beaker, Graduated, Plastic Tri-Stir, 100 mL (Case of 100)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-graduated-plastic-tri-stir-250-ml-case-of-100</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYM-80094_648680e7-2c38-4a3c-8db2-52d97437fb56.png?v=1786099266</image:loc>
      <image:title>Beaker, Graduated, Plastic Tri-Stir, 250 mL (Case of 100)</image:title>
      <image:caption>Beaker, Graduated, Plastic Tri-Stir, 250 mL (Case of 100)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-graduated-plastic-tri-stir-400-ml-case-of-100</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYM-80096_e53e999b-3360-49ec-b600-d87ae5a9b782.png?v=1787283410</image:loc>
      <image:title>Beaker, Graduated, Plastic Tri-Stir, 400 mL (Case of 100)</image:title>
      <image:caption>Beaker, Graduated, Plastic Tri-Stir, 400 mL (Case of 100)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-graduated-plastic-tri-stir-800-ml-case-of-100</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYM-80097.png?v=1786099269</image:loc>
      <image:title>Beaker, Graduated, Plastic Tri-Stir, 800 mL (Case of 100)</image:title>
      <image:caption>Beaker, Graduated, Plastic Tri-Stir, 800 mL (Case of 100)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beaker-graduated-plastic-tri-stir-1000-ml-case-of-100</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYM-80098.png?v=1786099270</image:loc>
      <image:title>Beaker, Graduated, Plastic Tri-Stir, 1000 mL (Case of 100)</image:title>
      <image:caption>Beaker, Graduated, Plastic Tri-Stir, 1000 mL (Case of 100)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/titration-cup-disposable-plastic-100-ml-for-mettler-dl-series-titrators</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYM-80099.png?v=1786764898</image:loc>
      <image:title>Titration Cup, Disposable Plastic, 100 mL, for Mettler DL Series Titrators</image:title>
      <image:caption>Titration Cup, Disposable Plastic, 100 mL, for Mettler DL Series Titrators</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dipper-hdpe-3ft-long-500-ml-capacity</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-107075.png?v=1786099273</image:loc>
      <image:title>Dipper, HDPE, 3Ft. Long, 500 mL capacity</image:title>
      <image:caption>Dipper, HDPE, 3Ft. Long, 500 mL capacity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dipper-hdpe-6ft-long-500-ml-capacity</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-107085.png?v=1786099274</image:loc>
      <image:title>Dipper, HDPE, 6Ft. Long, 500 mL capacity</image:title>
      <image:caption>Dipper, HDPE, 6Ft. Long, 500 mL capacity</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/kartell-graduated-square-bottles-hdpe-wide-mouth-2000-ml-6-pk-dynalon-201315-2000w</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-201315-2000W.png?v=1786099275</image:loc>
      <image:title>Kartell Graduated Square Bottles, HDPE, Wide Mouth, 2000 mL, 6/PK, Dynalon,  201315-2000W</image:title>
      <image:caption>Kartell Graduated Square Bottles, HDPE, Wide Mouth, 2000 mL, 6/PK, Dynalon,  201315-2000W</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sample-cup-polystyrene-1-5-ml-13-mm-diameter-x-24-mm-h-for-use-in-autoanalyzers</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-202114.png?v=1786099277</image:loc>
      <image:title>Sample Cup, Polystyrene, 1.5 mL, 13 mm Diameter x 24 mm H, for Use in Autoanalyzers</image:title>
      <image:caption>Sample Cup, Polystyrene, 1.5 mL, 13 mm Diameter x 24 mm H, for Use in Autoanalyzers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/coulter-cup-polystyrene-with-polyethylene-lid</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-202184-0001_1c3f1aba-346e-41c4-8e20-e81a169b5d49.png?v=1786099278</image:loc>
      <image:title>Coulter Cup, Polystyrene with Polyethylene Lid</image:title>
      <image:caption>Coulter Cup, Polystyrene with Polyethylene Lid</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/innoculating-loop-blue-polystyrene-with-needle-7-875-in-x-0-5-in</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-226505.png?v=1786099281</image:loc>
      <image:title>Innoculating Loop, Blue, Polystyrene, with Needle,  7.875 in. x 0.5 in.</image:title>
      <image:caption>Innoculating Loop, Blue, Polystyrene, with Needle,  7.875 in. x 0.5 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/innoculating-loop-natural-polystyrene-with-needle-7-625-in-x-0-25-in</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-226515.png?v=1786099282</image:loc>
      <image:title>Innoculating Loop, Natural, Polystyrene, with Needle,  7.625 in. x 0.25 in.</image:title>
      <image:caption>Innoculating Loop, Natural, Polystyrene, with Needle,  7.625 in. x 0.25 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/kartell-droppers-bellow-type-bulb-ldpe-5-ml-x-1-ml-100-pk</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-262185.png?v=1786099283</image:loc>
      <image:title>Kartell Droppers, Bellow-Type Bulb, LDPE, 5 mL x 1 mL, 100/PK</image:title>
      <image:caption>Kartell Droppers, Bellow-Type Bulb, LDPE, 5 mL x 1 mL, 100/PK</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stir-bar-octagonal-ptfe-1-2-in-x-3-in</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-303275-0021.png?v=1786099284</image:loc>
      <image:title>Stir Bar, Octagonal, PTFE, 1/2 in. x 3 in.</image:title>
      <image:caption>Stir Bar, Octagonal, PTFE, 1/2 in. x 3 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/container-with-snap-cap-10-dram-1-in-w-x-1-25-in-h</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-426364-10.png?v=1786099286</image:loc>
      <image:title>Container with Snap Cap, 10 Dram, 1 in.W x 1.25 in.H</image:title>
      <image:caption>Container with Snap Cap, 10 Dram, 1 in.W x 1.25 in.H</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/container-with-snap-cap-15-dram-package-of-144</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-42636415.png?v=1786099287</image:loc>
      <image:title>Container with Snap Cap, 15 Dram (Package of 144)</image:title>
      <image:caption>Container with Snap Cap, 15 Dram (Package of 144)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/lab-stand-weighted-edge-with-coated-steel-rod-6-75-in-x-9-875-in-x-2-063-in</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/DYN-502665.png?v=1786099288</image:loc>
      <image:title>Lab Stand, Weighted Edge with Coated Steel Rod, 6.75 in. x 9.875 in. x 2.063 in.</image:title>
      <image:caption>Lab Stand, Weighted Edge with Coated Steel Rod, 6.75 in. x 9.875 in. x 2.063 in.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sterile-phosphate-buffer-water-90-ml-edge-eb9050-not-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/EDB-EB9050P_e806c877-e82d-4060-a4c3-8eb18fbb12aa.png?v=1786099290</image:loc>
      <image:title>Sterile Phosphate Buffer Water, 90 mL, Edge EB9050 (Not Regulated)</image:title>
      <image:caption>Sterile Phosphate Buffer Water, 90 mL, Edge EB9050 (Not Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/qualitative-filter-paper-grade-237-4-25-cm-3-0-micron-50-pk-ahlstrom-2370-0425</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/EDC-2370-0425_5007745f-ad85-47c2-9891-c8a56b315a76.png?v=1786099291</image:loc>
      <image:title>Qualitative Filter Paper, Grade 237, 4.25 cm, 3.0 micron, 50/PK, Ahlstrom, 2370-0425</image:title>
      <image:caption>Qualitative Filter Paper, Grade 237, 4.25 cm, 3.0 micron, 50/PK, Ahlstrom, 2370-0425</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/qualitative-filter-paper-grade-601-4-25-cm-1-5-micron-100-pk-ahstrom-6010-0425</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/EDC-6010-0475_3cef0559-5b9c-4084-9c48-ec9988e248d7.png?v=1786099293</image:loc>
      <image:title>Qualitative Filter Paper, Grade 601, 4.25 cm, 2.5 micron, 100/PK, Ahstrom, 6010-0425</image:title>
      <image:caption>Qualitative Filter Paper, Grade 601, 4.25 cm, 2.5 micron, 100/PK, Ahstrom, 6010-0425</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/qualitative-filter-paper-retention-35-microns-filtration-speed-360-mls-min-2000-pk</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/EDK-617-35_b72dc0ba-0fa7-4b31-b13c-b7b4cecba3a5.png?v=1786099294</image:loc>
      <image:title>Qualitative Filter Paper, Retention 35 microns, Filtration Speed 360 mLs/min, 2000/PK, Ahlstrom, 6170-2500 Bulk</image:title>
      <image:caption>Qualitative Filter Paper, Retention 35 microns, Filtration Speed 360 mLs/min, 2000/PK, Ahlstrom, 6170-2500 Bulk</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/general-purpose-disposable-aluminum-weighing-dishes-63-mm-id-x-71mm-od-x-11-16-in-d-1-6-g-70-ml</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/EGL-D63-100.png?v=1786099296</image:loc>
      <image:title>General Purpose Disposable Aluminum Weighing Dishes, 63 mm ID x 71mm OD x 11/16 in. D, 1.6 g, 70 mL</image:title>
      <image:caption>General Purpose Disposable Aluminum Weighing Dishes, 63 mm ID x 71mm OD x 11/16 in. D, 1.6 g, 70 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/manganese-colorimetric-strips-for-testing-of-water-industrial-water-effluent</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/EMD-1-10080-0001.png?v=1786099298</image:loc>
      <image:title>Manganese Colorimetric Strips, for Testing of Water, Industrial Water, Effluent</image:title>
      <image:caption>Manganese Colorimetric Strips, for Testing of Water, Industrial Water, Effluent</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/epson-model-700-photo-printer-representative-image</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/EPS-PHOTO700.png?v=1786099299</image:loc>
      <image:title>Epson Model 700 Photo Printer [REPRESENTATIVE IMAGE]</image:title>
      <image:caption>Epson Model 700 Photo Printer [REPRESENTATIVE IMAGE]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/culture-tubes-polystyrene-sterile-21-ml-16-x-150-mm-with-screw-cap-500-cs-222-2099-050</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/EVG-E2222099050.png?v=1786099300</image:loc>
      <image:title>Culture Tubes, Polystyrene, Sterile, 21 mL, 16 x 150 mm, with Screw Cap, 500/CS, 222-2099-050</image:title>
      <image:caption>Culture Tubes, Polystyrene, Sterile, 21 mL, 16 x 150 mm, with Screw Cap, 500/CS, 222-2099-050</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/water-sampling-lock-n-seal-vials-for-coliform-e-coli-and-wastwater-analysis-120-ml-with-pill-sterile-custody-label-seal-excel-scientific-epa-120t-83p</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/EXL-EPA120T-83P.png?v=1786099301</image:loc>
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      <image:caption>Water Sampling Lock-N-Seal Vials for Coliform, E. coli and Wastwater Analysis, 120 mL, with Pill, Sterile, Custody Label &amp; Seal, Excel Scientific, EPA-120T-83P</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/lattice-microcrystalline-cellulose-binder-50-kg-dupont-nt-50</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FMC-NT050_6339072e-8dec-4056-87fe-8b00874393b7.png?v=1786099303</image:loc>
      <image:title>Lattice Microcrystalline Cellulose Binder, 50 kg, Dupont, NT-50</image:title>
      <image:caption>Lattice Microcrystalline Cellulose Binder, 50 kg, Dupont, NT-50</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/preiser-free-swelling-index-fsi-furnace-115-v-60-hz</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-41000A1.png?v=1786099312</image:loc>
      <image:title>Preiser Free Swelling Index (FSI) Furnace 115 V/60 Hz</image:title>
      <image:caption>Preiser Free Swelling Index (FSI) Furnace 115 V/60 Hz</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/preiser-free-swelling-index-fsi-furnace-115-v-50-hz</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-41000A2.png?v=1786099315</image:loc>
      <image:title>Preiser Free Swelling Index (FSI) Furnace 115 V/50 Hz</image:title>
      <image:caption>Preiser Free Swelling Index (FSI) Furnace 115 V/50 Hz</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/preiser-free-swelling-index-fsi-furnace-230-v-60-hz</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-41000A3_5aae57dd-30fa-4f2e-844b-acd126a9985e.png?v=1786099317</image:loc>
      <image:title>Preiser Free Swelling Index (FSI) Furnace 230 V/60 Hz</image:title>
      <image:caption>Preiser Free Swelling Index (FSI) Furnace 230 V/60 Hz</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/preiser-free-swelling-index-fsi-furnace-230-v-50-hz</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-41000A4.png?v=1786099319</image:loc>
      <image:title>Preiser Free Swelling Index (FSI) Furnace 230 V/50 Hz</image:title>
      <image:caption>Preiser Free Swelling Index (FSI) Furnace 230 V/50 Hz</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/furnace-for-free-swelling-index</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410015A.png?v=1786099320</image:loc>
      <image:title>Furnace for Free Swelling Index</image:title>
      <image:caption>Furnace for Free Swelling Index</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/heating-element-support-for-free-swelling-index-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410024B.png?v=1787715299</image:loc>
      <image:title>Heating Element Support for Free Swelling Index Furnace</image:title>
      <image:caption>Heating Element Support for Free Swelling Index Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wired-clay-heating-element-for-fsi-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410025A_c404fb5b-6379-4bcc-935b-813069e7031e.png?v=1786099323</image:loc>
      <image:title>Wired Clay Heating Element for FSI Furnace</image:title>
      <image:caption>Wired Clay Heating Element for FSI Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clay-base-unassembled-for-fsi-apparatus</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410025R_cd764bbe-f6d5-420e-934f-5e802d6bad76.png?v=1787715300</image:loc>
      <image:title>Clay Base, Unassembled, for FSI Apparatus</image:title>
      <image:caption>Clay Base, Unassembled, for FSI Apparatus</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/angle-bracket-for-heating-element</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410026B.png?v=1786099326</image:loc>
      <image:title>Angle Bracket for Heating Element</image:title>
      <image:caption>Angle Bracket for Heating Element</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/heating-element-for-fsi-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410029A.png?v=1786099327</image:loc>
      <image:title>Heating Element for FSI Furnace</image:title>
      <image:caption>Heating Element for FSI Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-cover-free-swelling-index-fsi-pierced</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410032A_3dcab84b-30a6-47d1-b7ef-bd2c3e5a43f8.png?v=1786506491</image:loc>
      <image:title>Crucible Cover, Free Swelling Index (FSI), Pierced</image:title>
      <image:caption>Crucible Cover, Free Swelling Index (FSI), Pierced</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-cover-free-swelling-index-fsi-with-ring</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410033A.png?v=1786506493</image:loc>
      <image:title>Crucible Cover, Free Swelling Index (FSI), with Ring</image:title>
      <image:caption>Crucible Cover, Free Swelling Index (FSI), with Ring</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-free-swelling-index-fsi-17ml</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410034A_314e4dd3-987d-4eac-9ea3-e9edb501ce03.png?v=1786506495</image:loc>
      <image:title>Crucible, Free Swelling Index (FSI), 17mL</image:title>
      <image:caption>Crucible, Free Swelling Index (FSI), 17mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-holder-complete-for-free-swelling-index-fsi-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410045A.png?v=1787628861</image:loc>
      <image:title>Crucible Holder, Complete, for Free Swelling Index (FSI) Furnace</image:title>
      <image:caption>Crucible Holder, Complete, for Free Swelling Index (FSI) Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/wire-stirrup-for-free-swelling-index-fsi-crucible-holder</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-410140A.png?v=1786099334</image:loc>
      <image:title>Wire Stirrup, for Free Swelling Index (FSI) Crucible Holder</image:title>
      <image:caption>Wire Stirrup, for Free Swelling Index (FSI) Crucible Holder</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/power-out-pcb-assembly</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-419201A.png?v=1786099336</image:loc>
      <image:title>Power Out PCB Assembly</image:title>
      <image:caption>Power Out PCB Assembly</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/time-trig-pcb-assembled-60-hz-new-style-cabinet-mounted-dial-pots</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-419301A3.png?v=1786099337</image:loc>
      <image:title>Time &amp; Trig PCB Assembled 60 Hz (New Style) Cabinet Mounted Dial Pots</image:title>
      <image:caption>Time &amp; Trig PCB Assembled 60 Hz (New Style) Cabinet Mounted Dial Pots</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/38-gm-weight-for-plastometer-head-torque-test-assembly</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-425112B_6d7227c9-a787-4835-807f-1d21819875e8.png?v=1786099340</image:loc>
      <image:title>38 gm Weight for Plastometer Head Torque Test Assembly</image:title>
      <image:caption>38 gm Weight for Plastometer Head Torque Test Assembly</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/rabble-arm-stirrer-for-old-style-frico-plastometers</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-426001B_619bbd6f-96b9-4d1c-9a82-b9e3dd1896d6.png?v=1786099341</image:loc>
      <image:title>Rabble Arm Stirrer for Old Style Frico Plastometers</image:title>
      <image:caption>Rabble Arm Stirrer for Old Style Frico Plastometers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/thermocouple-well-for-solder-pot-for-old-style-frico-plastometers</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-426006A.png?v=1786099342</image:loc>
      <image:title>Thermocouple Well for Solder Pot for Old Style Frico Plastometers</image:title>
      <image:caption>Thermocouple Well for Solder Pot for Old Style Frico Plastometers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stirrer-for-solder-pot-for-old-style-frico-plastometers</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-426007A_ac00738e-f837-4942-9ef9-4b8a0b730c11.png?v=1786099343</image:loc>
      <image:title>Stirrer for Solder Pot for Old Style Frico Plastometers</image:title>
      <image:caption>Stirrer for Solder Pot for Old Style Frico Plastometers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/driven-pulley-for-stirrer-for-solder-pot-for-old-style-frico-plastometers</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-426008A_a1df05c3-5876-4388-854c-6fc58fc527af.png?v=1786099345</image:loc>
      <image:title>Driven Pulley for Stirrer for Solder Pot for Old Style Frico Plastometers</image:title>
      <image:caption>Driven Pulley for Stirrer for Solder Pot for Old Style Frico Plastometers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/retort-for-old-style-frico-plastometer</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-426011B.png?v=1786099346</image:loc>
      <image:title>Retort for Old Style Frico Plastometer</image:title>
      <image:caption>Retort for Old Style Frico Plastometer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/reinforcement-ring-for-old-style-frico-plastometer</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-426012B.png?v=1786099347</image:loc>
      <image:title>Reinforcement Ring for Old Style Frico Plastometer</image:title>
      <image:caption>Reinforcement Ring for Old Style Frico Plastometer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/gas-vent-tube-for-old-style-frico-plastometer</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-426013B.png?v=1786099348</image:loc>
      <image:title>Gas Vent Tube for Old Style Frico Plastometer</image:title>
      <image:caption>Gas Vent Tube for Old Style Frico Plastometer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stirrer-guide-sleeve-for-plastometer-stirring-shaft-z672-part-of-sample-containment-assembly</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-426014B_546bafb3-c53b-447f-bbfa-e56ab7a2e7d3.png?v=1787628862</image:loc>
      <image:title>Stirrer Guide Sleeve for Plastometer Stirring Shaft (Z672), Part of Sample Containment Assembly</image:title>
      <image:caption>Stirrer Guide Sleeve for Plastometer Stirring Shaft (Z672), Part of Sample Containment Assembly</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/crucible-and-cover-for-old-style-frico-plastometer</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-426023B_1943c2f3-e66d-43cf-9b71-d3610e47879d.png?v=1786099351</image:loc>
      <image:title>Crucible and Cover for Old Style Frico Plastometer</image:title>
      <image:caption>Crucible and Cover for Old Style Frico Plastometer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/centering-washer-for-barrel-z672-for-preiser-plastometer-part-of-sample-containment-assembly</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-426549B_b5e869e6-3bf5-4f00-b62c-bcda33849417.png?v=1786099352</image:loc>
      <image:title>Centering Washer for Barrel (Z672) for Preiser Plastometer, Part of Sample Containment Assembly</image:title>
      <image:caption>Centering Washer for Barrel (Z672) for Preiser Plastometer, Part of Sample Containment Assembly</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tube-with-set-screw-plug-for-old-style-frico-dilatometer</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-430001A.png?v=1786099354</image:loc>
      <image:title>Tube with Set Screw Plug for Old Style Frico Dilatometer</image:title>
      <image:caption>Tube with Set Screw Plug for Old Style Frico Dilatometer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/piston-for-old-style-frico-dilatometer</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-430002A.png?v=1786099355</image:loc>
      <image:title>Piston for Old Style Frico Dilatometer</image:title>
      <image:caption>Piston for Old Style Frico Dilatometer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cleaning-brush-rod-for-dilatometer-sample-tubes</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-430019A_cd4cb73e-a405-409b-9e6a-13ed6661d2b9.png?v=1786678483</image:loc>
      <image:title>Cleaning Brush Rod for Dilatometer Sample Tubes</image:title>
      <image:caption>Cleaning Brush Rod for Dilatometer Sample Tubes</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cleaning-brush-for-dilatometer-barrel-tube-427343</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-430020B_abd08bd5-4b67-44a5-a799-48becf2acc8a.png?v=1786678485</image:loc>
      <image:title>Cleaning Brush for Dilatometer Barrel Tube, 427343</image:title>
      <image:caption>Cleaning Brush for Dilatometer Barrel Tube, 427343</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ejector-piston-for-old-style-frico-dilatometer</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-433309B.png?v=1786099360</image:loc>
      <image:title>Ejector Piston for Old Style Frico Dilatometer</image:title>
      <image:caption>Ejector Piston for Old Style Frico Dilatometer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/funnel-and-guide-for-old-style-frico-dilatometer</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-433323B.png?v=1786099361</image:loc>
      <image:title>Funnel and Guide for Old Style Frico Dilatometer</image:title>
      <image:caption>Funnel and Guide for Old Style Frico Dilatometer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hand-packing-ram-long-for-old-style-frico-dilatometer</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-433464A.png?v=1786099363</image:loc>
      <image:title>Hand Packing Ram, Long for Old Style Frico Dilatometer</image:title>
      <image:caption>Hand Packing Ram, Long for Old Style Frico Dilatometer</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/long-hook-for-suspending-samples-in-a-volatile-matter-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440100A.png?v=1786099364</image:loc>
      <image:title>Long Hook for Suspending Samples in a Volatile Matter Furnace</image:title>
      <image:caption>Long Hook for Suspending Samples in a Volatile Matter Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/short-hook-for-suspending-samples-in-a-volatile-matter-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440105A.png?v=1786099365</image:loc>
      <image:title>Short Hook for Suspending Samples in a Volatile Matter Furnace</image:title>
      <image:caption>Short Hook for Suspending Samples in a Volatile Matter Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/straight-suspension-shaft-for-lowering-samples-into-a-volatile-matter-furnace</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440115A.png?v=1787024059</image:loc>
      <image:title>Straight Suspension Shaft for Lowering Samples into a Volatile Matter Furnace</image:title>
      <image:caption>Straight Suspension Shaft for Lowering Samples into a Volatile Matter Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/6-place-crucible-holder-for-lowering-samples-into-a-volatile-matter-furnace</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440120A_3f512458-4c4a-406d-9743-813278a16f00.png?v=1787283411</image:loc>
      <image:title>6-Place Crucible Holder for lowering samples into a Volatile Matter Furnace</image:title>
      <image:caption>6-Place Crucible Holder for lowering samples into a Volatile Matter Furnace</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/preiser-rotary-sample-divider-230-v-60-hz-6-2-a</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440748A-01.png?v=1786099370</image:loc>
      <image:title>Preiser Rotary Sample Divider 230 V/60 Hz/6.2 A</image:title>
      <image:caption>Preiser Rotary Sample Divider 230 V/60 Hz/6.2 A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/preiser-rotary-sample-divider-230-v-50-hz-6-2-a</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Preiser Rotary Sample Divider 230 V/50 Hz/6.2 A</image:title>
      <image:caption>Preiser Rotary Sample Divider 230 V/50 Hz/6.2 A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/preiser-rotary-sample-divider-115-v-60-hz-12-4-a</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440750A.png?v=1786099375</image:loc>
      <image:title>Preiser Rotary Sample Divider 115 V/60 Hz/12.4 A</image:title>
      <image:caption>Preiser Rotary Sample Divider 115 V/60 Hz/12.4 A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/switch-for-rotary-sample-divider-representative-image</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440750B_95fdc308-6922-4881-a904-818b04a5a1d6.png?v=1786099377</image:loc>
      <image:title>Switch for Rotary Sample Divider [Representative Image]</image:title>
      <image:caption>Switch for Rotary Sample Divider [Representative Image]</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/control-switch-for-rotary-sample-divider-motor</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440759B.png?v=1786099378</image:loc>
      <image:title>Control Switch for Rotary Sample Divider Motor</image:title>
      <image:caption>Control Switch for Rotary Sample Divider Motor</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/1-4-segment-container-for-rotary-sample-divider</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440761B_8996304d-2a37-4033-9a79-5f9b841a122c.png?v=1786099379</image:loc>
      <image:title>1/4 Segment Container for Rotary Sample Divider</image:title>
      <image:caption>1/4 Segment Container for Rotary Sample Divider</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/1-8-segment-container-for-rotary-sample-divider</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440762B_f4718ece-4326-4e0a-a970-f7285a7e628e.png?v=1786099381</image:loc>
      <image:title>1/8 Segment Container for Rotary Sample Divider</image:title>
      <image:caption>1/8 Segment Container for Rotary Sample Divider</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/1-16-segment-container-for-rotary-sample-divider</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440763B.png?v=1786099382</image:loc>
      <image:title>1/16 Segment Container for Rotary Sample Divider</image:title>
      <image:caption>1/16 Segment Container for Rotary Sample Divider</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/u-covers-for-rotary-sample-dividers-to-cover-top-edges-of-adjoining-segment-containers</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440765B_1d5fc850-4a2b-40a5-b4ac-79fd704e49a8.png?v=1786099383</image:loc>
      <image:title>U Covers for Rotary Sample Dividers, to Cover Top Edges of Adjoining Segment Containers</image:title>
      <image:caption>U Covers for Rotary Sample Dividers, to Cover Top Edges of Adjoining Segment Containers</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cover-for-rotary-sample-divider-feed-hopper</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440766B_3a9af142-d8df-4ba7-897e-a7ff56039c25.png?v=1786099384</image:loc>
      <image:title>Cover for Rotary Sample Divider Feed Hopper</image:title>
      <image:caption>Cover for Rotary Sample Divider Feed Hopper</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/clamshell-assembly-for-rotary-sample-divider</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440767B.png?v=1786099385</image:loc>
      <image:title>Clamshell Assembly for Rotary Sample Divider</image:title>
      <image:caption>Clamshell Assembly for Rotary Sample Divider</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/overflow-pan-for-rotary-sample-divider</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440769B.png?v=1786099387</image:loc>
      <image:title>Overflow Pan for Rotary Sample Divider</image:title>
      <image:caption>Overflow Pan for Rotary Sample Divider</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/nsf-listed-plate-caster-for-rotary-sample-divider-1ukr9</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440780B_d6f533b8-adce-4ec1-ae73-e6e5af3bef84.png?v=1786099388</image:loc>
      <image:title>NSF- Listed Plate Caster for Rotary Sample Divider, 1UKR9</image:title>
      <image:caption>NSF- Listed Plate Caster for Rotary Sample Divider, 1UKR9</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/rotary-sample-divider-vibratory-feeder-with-6-x-18-in-stainless-steel-trough-6-159278-g</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440790B.png?v=1786099389</image:loc>
      <image:title>Rotary Sample Divider Vibratory Feeder with 6 x 18 in. Stainless Steel Trough, 6.159278-G</image:title>
      <image:caption>Rotary Sample Divider Vibratory Feeder with 6 x 18 in. Stainless Steel Trough, 6.159278-G</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/rotary-sample-divider-controller-for-vibratory-feeder-115-v-60-hz</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440795B.png?v=1786099392</image:loc>
      <image:title>Rotary Sample Divider Controller for Vibratory Feeder, 115 V/60 Hz</image:title>
      <image:caption>Rotary Sample Divider Controller for Vibratory Feeder, 115 V/60 Hz</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sample-crucibles-for-parr-combustion-bomb-calorimeters</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-440900B_0b83668c-a26a-4934-b3b2-38117abe795d.png?v=1786099393</image:loc>
      <image:title>Sample Crucibles for Parr Combustion Bomb Calorimeters</image:title>
      <image:caption>Sample Crucibles for Parr Combustion Bomb Calorimeters</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/preiser-portable-temperature-probe-reading-0-to-750-degree-c-nine-volt-battery-for-500-hour-life-9-ft-with-3-sensors</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-442250A_ed0bb239-3201-4d72-8667-3b79cb125a3c.png?v=1786099395</image:loc>
      <image:title>Preiser Portable Temperature Probe, Reading 0 to 750 degree C, Nine Volt Battery for 500 hour life, 9 ft. with 3 Sensors</image:title>
      <image:caption>Preiser Portable Temperature Probe, Reading 0 to 750 degree C, Nine Volt Battery for 500 hour life, 9 ft. with 3 Sensors</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/thermocouple-type-k-for-arnu-b-c</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-450050B.png?v=1786099396</image:loc>
      <image:title>Thermocouple, Type K for Arnu B/C</image:title>
      <image:caption>Thermocouple, Type K for Arnu B/C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/radial-deep-groove-ball-bearing-round-bore-0-2500-in-id-0-6250-in-od-0-2813-in-width-double-shielded-c0-internal-clearance</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-600000B.png?v=1786099397</image:loc>
      <image:title>Radial/Deep Groove Ball Bearing - Round Bore, 0.2500 in ID, 0.6250 in OD, 0.2813 in Width, Double Shielded, C0 Internal Clearance</image:title>
      <image:caption>Radial/Deep Groove Ball Bearing - Round Bore, 0.2500 in ID, 0.6250 in OD, 0.2813 in Width, Double Shielded, C0 Internal Clearance</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/fuse-holder-panel-mount-250-v-20-a-solder-lug-fluted-knob</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-620011B.png?v=1786099398</image:loc>
      <image:title>Fuse Holder, Panel Mount, 250 V, 20 A, Solder Lug, Fluted Knob</image:title>
      <image:caption>Fuse Holder, Panel Mount, 250 V, 20 A, Solder Lug, Fluted Knob</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/fuse-cartridge-fast-acting-8-a-250-v</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-630003B_14229491-b8ce-42fe-81fa-aca2cbe86187.png?v=1786099400</image:loc>
      <image:title>Fuse, Cartridge, Fast Acting, 8 A, 250 V</image:title>
      <image:caption>Fuse, Cartridge, Fast Acting, 8 A, 250 V</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/fuse-cartridge-time-delay-500-ma-250-v-slo-blow</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-630025B.png?v=1786099401</image:loc>
      <image:title>Fuse, Cartridge, Time Delay, 500 mA, 250 V (Slo-Blow)</image:title>
      <image:caption>Fuse, Cartridge, Time Delay, 500 mA, 250 V (Slo-Blow)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/motor-1800-rpm-60-hz-1500-rpm-50-hz-plastometer-drive-model-709-kci-24</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-650005B.png?v=1786099403</image:loc>
      <image:title>Motor, 1800 rpm/60 Hz, 1500 rpm/50 Hz Plastometer Drive, Model 709/KCI-24</image:title>
      <image:caption>Motor, 1800 rpm/60 Hz, 1500 rpm/50 Hz Plastometer Drive, Model 709/KCI-24</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/ceramic-fiber-wool-insulation-blanket-for-furnaces-1-in-thick-ea-1-sq-ft-mcmaster-carr-93315k54</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-660541B.png?v=1786099404</image:loc>
      <image:title>Ceramic Fiber Wool Insulation Blanket for Furnaces, 1 in. Thick; EA = 1 Sq. Ft., McMaster-Carr, 93315K54</image:title>
      <image:caption>Ceramic Fiber Wool Insulation Blanket for Furnaces, 1 in. Thick; EA = 1 Sq. Ft., McMaster-Carr, 93315K54</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/neon-indicator-non-relampable-125-v-solder-terminal-white-7-9-mm-round-with-flat-top</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-790552B.png?v=1786099405</image:loc>
      <image:title>Neon Indicator, Non Relampable, 125 V, Solder Terminal, White, 7.9 mm, Round with Flat Top</image:title>
      <image:caption>Neon Indicator, Non Relampable, 125 V, Solder Terminal, White, 7.9 mm, Round with Flat Top</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/power-hook-up-leads-standard-ceramic-beads</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-800406A.png?v=1786099407</image:loc>
      <image:title>Power Hook-Up Leads, Standard Ceramic Beads</image:title>
      <image:caption>Power Hook-Up Leads, Standard Ceramic Beads</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/1-4-in-stainless-steel-extra-wide-heavy-duty-hex-nut-20-thread-size</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-990456B.png?v=1786099408</image:loc>
      <image:title>1/4 in. Stainless Steel Extra-Wide Heavy-Duty Hex Nut, 20 Thread Size</image:title>
      <image:caption>1/4 in. Stainless Steel Extra-Wide Heavy-Duty Hex Nut, 20 Thread Size</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stainless-steel-flat-washer-for-1-4-in-screw-0-281-in-i-d-0-625-in-o-d</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FRS-990485B.png?v=1786099409</image:loc>
      <image:title>Stainless Steel Flat Washer for 1/4 in. Screw; 0.281 in. I.D, 0.625 in. O.D.</image:title>
      <image:caption>Stainless Steel Flat Washer for 1/4 in. Screw; 0.281 in. I.D, 0.625 in. O.D.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/apron-resin-brown-46-in-l-x-36-in-w</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FSC-01-353B.png?v=1786099411</image:loc>
      <image:title>Apron, Resin, Brown, 46 in. L x 36 in. W</image:title>
      <image:caption>Apron, Resin, Brown, 46 in. L x 36 in. W</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/fisherbrand-qualitative-grade-plain-filter-paper-circles-p8-grade-7-cm-100-pk</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FSC-09-795B.png?v=1786099411</image:loc>
      <image:title>Fisherbrand Qualitative Grade Plain Filter Paper Circles - P8 Grade, 7 cm, 100/PK</image:title>
      <image:caption>Fisherbrand Qualitative Grade Plain Filter Paper Circles - P8 Grade, 7 cm, 100/PK</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/fisher-09-795h-qualitative-grade-plain-filter-paper-p-8-grade-20-5-cm-diameter-circles</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FSC-09-795H.png?v=1786099413</image:loc>
      <image:title>Fisher 09-795H Qualitative Grade Plain Filter Paper, P-8 Grade, 20.5 cm Diameter Circles</image:title>
      <image:caption>Fisher 09-795H Qualitative Grade Plain Filter Paper, P-8 Grade, 20.5 cm Diameter Circles</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/stainless-steel-rack-for-quartz-crucibles-for-isotemp-furnaces-up-to-42-25-mm-diameter-crucibles</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FSC-10-490-6_075f5694-0acb-4490-a985-a491340e342e.png?v=1787715302</image:loc>
      <image:title>Stainless Steel Rack for Quartz Crucibles for Isotemp Furnaces, up to 42 - 25 mm Diameter Crucibles</image:title>
      <image:caption>Stainless Steel Rack for Quartz Crucibles for Isotemp Furnaces, up to 42 - 25 mm Diameter Crucibles</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/autoclave-wrap-steri-wrap-registered-iii-blue-45-in-x-45-in-100-cs-propper-manufacturing-co-31304510</loc>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Fisherbrand Accumet Temperature-Compensated Two-Cell Conductivity Probes - Mercury - Free</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/accumet-ph-electrode-single-junction-with-ag-agcl-reference-glass-refillable-bnc-connector-30-in-cable-13-620-285</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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  </url>
  <url>
    <loc>https://preiser.com/products/pump-tubing-two-stop-pvc-color-coded-orange-yellow-0-51-mm-inside-diameter-x-41-cm-length-sterile</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/FSC-14190512_b5f833f2-204c-4a7a-8513-df78290c2198.png?v=1786099422</image:loc>
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      <image:caption>Pump Tubing, Two-Stop, PVC, Color Coded, Green/Green, 1.85 mm I.D.</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>National Marker Vinyl Write-On HMIG Labels, 6 in.x 4 in. 10/PK, HM25</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>National Marker Paper Write-On HMIG Labels, 4 in. x 4 in. 250/PK</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>JUSTRITE Filter Replacement, Combination, Coalescing Carbon Filter</image:title>
      <image:caption>JUSTRITE Filter Replacement, Combination, Coalescing Carbon Filter</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/pipettor-tips-finn-tip-polypropylene-disposable-2-10-ml</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Pipettor Tips, Finn-Tip, Polypropylene, Disposable, 2-10 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/methanol-methyl-alcohol-20-l</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Methanol (Methyl Alcohol), 20 L</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/methanol-hplc-4-l-amber-bottle-case-of-4-bottles-3-un1230-pgii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Methanol, HPLC, 4 L Amber Bottle (Case of 4 Bottles), Fisherbrand, A452-4</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/vials-25-x-95-mm-narrow-polypropylene-virtually-unbreakable-scratch-and-mar-resistant</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Vials, 25 x 95 mm, Narrow, Polypropylene,  Virtually Unbreakable, Scratch and Mar Resistant</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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    <image:image>
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      <image:caption>pH Indicator Solution, Universal, Rapid Determinations, with Color Chart, for pH Determinations from 4.0-10.0 (3, UN1987, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/heating-mantle-with-power-controller-for-1-l-round-bottom-flask-115-v-glas-col-100d-tm108pl</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Heating Mantle with Power Controller for 1 L Round-Bottom Flask, 115 V, Glas-Col, 100D TM108PL</image:title>
      <image:caption>Heating Mantle with Power Controller for 1 L Round-Bottom Flask, 115 V, Glas-Col, 100D TM108PL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/gast-replacement-cartridge-filter-element</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Gast Replacement Cartridge Filter Element</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Sodium Acetate, Anhydrous, ACS Reagent Grade, 500 g, GFS Chemicals, 66391</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Sodium Bisulfate, Monohydrate Reagent, 10 kg, GFS Chemicals, 66653</image:caption>
    </image:image>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Sodium Bisulfate, Monohydrate, Reagent, 2.5 kg Bottle, 66652</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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  </url>
  <url>
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    </image:image>
  </url>
  <url>
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    </image:image>
  </url>
  <url>
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      <image:caption>Sodium Phosphate, Tribasic Dodecahydrate ACS Grade, 2.5 kg, GFS Chemicals, 69232</image:caption>
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  <url>
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      <image:caption>Sodium Salicylate, Reagent Grade, 500 g, GFS Chemicals, 69261</image:caption>
    </image:image>
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      <image:caption>Sodium Salicylate, Reagent Grade, 10 kg, GFS Chemicals, 69263</image:caption>
    </image:image>
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      <image:caption>Sucrose, Reagent (ACS) 500 Grams EA, (Non-Regulated)</image:caption>
    </image:image>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Sulfanilamide, Reagent, 100 g, GFS Chemicals, 71081</image:caption>
    </image:image>
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  <url>
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      <image:caption>Sulfanilamide, ACS Reagent (Sold by Each / Each = 500 Grams Bottle) (Non-Regulated)</image:caption>
    </image:image>
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      <image:caption>Resorcinol, ACS Reagent Grade, 500 g, GFS Chemicals, 63452</image:caption>
    </image:image>
  </url>
  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1109-500ML_39db5171-398e-4914-9cd1-463bea9cb731.png?v=1786099472</image:loc>
      <image:title>Sulfurous Acid, 6%, Reagent, 500 mL(8, UN1833, P.G. II)</image:title>
      <image:caption>Sulfurous Acid, 6%, Reagent, 500 mL(8, UN1833, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydrazine-monohydrate-acs-reagent-grade-2-5-l-bottle-gfs-chemicals-42814</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1160-2_5L_6d05cea8-8050-4158-b0a5-4644c5184274.png?v=1786099474</image:loc>
      <image:title>Hydrazine, Monohydrate, ACS Reagent Grade, 2.5 L Bottle, GFS Chemicals, 42814</image:title>
      <image:caption>Hydrazine, Monohydrate, ACS Reagent Grade, 2.5 L Bottle, GFS Chemicals, 42814</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/potassium-permanganate-solution-0-1-n-4-l-gfs-chemicals-61611</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1186-01_8fe07a4f-b930-4166-a7cb-9a2c8c1f850d.png?v=1786099476</image:loc>
      <image:title>Potassium Permanganate Solution, 0.1 N, 4 L, GFS Chemicals, 61611</image:title>
      <image:caption>Potassium Permanganate Solution, 0.1 N, 4 L, GFS Chemicals, 61611</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tetramethylammonium-hydroxide-25-solution-in-water-8-un1835-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1204-29_cca2465b-5c58-4fce-820f-1a16d7ff9f4d.png?v=1786099478</image:loc>
      <image:title>Tetramethylammonium Hydroxide, 25% Solution in Water, (8, UN1835, P.G. II)</image:title>
      <image:caption>Tetramethylammonium Hydroxide, 25% Solution in Water, (8, UN1835, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/zinc-acetate-dihydrate-reagent-bottle-of-500-grams</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1206-09_f6e6380e-f604-4e12-bcfb-a180181e7718.png?v=1787024062</image:loc>
      <image:title>Zinc Acetate, Dihydrate Reagent (Bottle of 500 Grams)</image:title>
      <image:caption>Zinc Acetate, Dihydrate Reagent (Bottle of 500 Grams)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/zinc-bromide-reagent-500-g-gfs-chemicals-77612</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1207-09_05e5e57c-1333-4443-87ad-1811e7266798.png?v=1786099482</image:loc>
      <image:title>Zinc Bromide Reagent, 500 g, GFS Chemicals, 77612</image:title>
      <image:caption>Zinc Bromide Reagent, 500 g, GFS Chemicals, 77612</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydrofluoric-acid-veritas-double-distilled-1-l-bottle-gfs-chemicals-43943</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1229-1L_12020e55-3bd7-49a1-ad1a-34754b591e3e.png?v=1786099484</image:loc>
      <image:title>Hydrofluoric Acid, Veritas Double Distilled, 1 L Bottle, GFS Chemicals, 43943</image:title>
      <image:caption>Hydrofluoric Acid, Veritas Double Distilled, 1 L Bottle, GFS Chemicals, 43943</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hexane-pesticide-distilled-in-glass-1-l-bottle-3-un1208-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1231-1L.png?v=1786099485</image:loc>
      <image:title>Hexane, Pesticide (Distilled in Glass) 1 L Bottle (3, UN1208, P.G. II)</image:title>
      <image:caption>Hexane, Pesticide (Distilled in Glass) 1 L Bottle (3, UN1208, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hexane-pesticide-distilled-in-glass-4-l-bottle-case-of-4-bottles-3-un1208-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1231-4L.png?v=1786099487</image:loc>
      <image:title>Hexane, Pesticide (Distilled in Glass) 4 L Bottle (Case of 4 Bottles) (3, UN1208, P.G. II)</image:title>
      <image:caption>Hexane, Pesticide (Distilled in Glass) 4 L Bottle (Case of 4 Bottles) (3, UN1208, P.G. II)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/boric-acid-acs-reagent-sold-by-each-each-500-grams-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1332-09.png?v=1786099489</image:loc>
      <image:title>Boric Acid, ACS Reagent (Sold by Each / Each = 500 Grams) (Non-Regulated)</image:title>
      <image:caption>Boric Acid, ACS Reagent (Sold by Each / Each = 500 Grams) (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cadmium-carbonate-99-995-25-g-bottle-18751-6-1-un2570-p-g-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1334-05_dcaf63db-6a09-4b52-821f-8bdff12a250f.png?v=1786099490</image:loc>
      <image:title>Cadmium Carbonate, 99.995%, 25 g Bottle, 18751 (6.1, UN2570, P.G. III)</image:title>
      <image:caption>Cadmium Carbonate, 99.995%, 25 g Bottle, 18751 (6.1, UN2570, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/tributyl-phosphate-98-1-l-gfs-chemicals-13572</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-135-72.png?v=1786099491</image:loc>
      <image:title>Tributyl Phosphate, 98+%, 1 L, GFS Chemicals, 13572</image:title>
      <image:caption>Tributyl Phosphate, 98+%, 1 L, GFS Chemicals, 13572</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/amyl-acetate-500-ml-gfs-chemicals-13501</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1350-01_5897d1b3-5dda-4d5a-a3cd-2a131482f259.png?v=1786099493</image:loc>
      <image:title>Amyl Acetate, 500 mL, GFS Chemicals, 13501</image:title>
      <image:caption>Amyl Acetate, 500 mL, GFS Chemicals, 13501</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydroxylammonium-chloride-hydroxylamine-hydrochloride-acs-reagent-grade-low-mercury-100-g-gfs-chemicals-44651</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1578-07_04185097-412d-44bc-8be1-31fac9fa7106.png?v=1786099495</image:loc>
      <image:title>Hydroxylammonium Chloride, (Hydroxylamine Hydrochloride), ACS Reagent Grade, Low Mercury, 100 g, GFS Chemicals, 44651</image:title>
      <image:caption>Hydroxylammonium Chloride, (Hydroxylamine Hydrochloride), ACS Reagent Grade, Low Mercury, 100 g, GFS Chemicals, 44651</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydroxylammonium-chloride-hydroxylamine-hydrochloride-acs-reagent-grade-low-mercury-500-g-gfs-chemicals-44652</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1578-09.png?v=1786592125</image:loc>
      <image:title>Hydroxylammonium Chloride, (Hydroxylamine Hydrochloride), ACS Reagent Grade, Low Mercury, 500 g, GFS Chemicals, 44652</image:title>
      <image:caption>Hydroxylammonium Chloride, (Hydroxylamine Hydrochloride), ACS Reagent Grade, Low Mercury, 500 g, GFS Chemicals, 44652</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hydroxylammonium-chloride-hydroxylamine-hydrochloride-acs-reagent-grade-low-mercury-2-5-kg-gfs-chemicals-44653</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1578-12_0e6188fe-6a54-4748-8455-f989076d81e1.png?v=1786099499</image:loc>
      <image:title>Hydroxylammonium Chloride, (Hydroxylamine Hydrochloride) ACS Reagent Grade, Low Mercury, 2.5 kg, GFS Chemicals, 44653</image:title>
      <image:caption>Hydroxylammonium Chloride, (Hydroxylamine Hydrochloride) ACS Reagent Grade, Low Mercury, 2.5 kg, GFS Chemicals, 44653</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sodium-borohydride-granular-acs-grade-reagent-500-g-gfs-chemicals-66542</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1649-09.png?v=1786592126</image:loc>
      <image:title>Sodium Borohydride, Granular, ACS Grade Reagent, 500 g, GFS Chemicals, 66542</image:title>
      <image:caption>Sodium Borohydride, Granular, ACS Grade Reagent, 500 g, GFS Chemicals, 66542</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cadmium-metal-20-60-mesh-granular-100-g-gfs-chemicals-18591</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1697-07_2ee95018-470f-409d-8a12-b129f2809fac.png?v=1786099504</image:loc>
      <image:title>Cadmium, Metal, 20-60 Mesh, Granular, 100 g, GFS Chemicals, 18591</image:title>
      <image:caption>Cadmium, Metal, 20-60 Mesh, Granular, 100 g, GFS Chemicals, 18591</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/aluminum-icp-standard-solution-1000-ppm-100-ml-bottle-22000-8-un3264-p-g-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1700-41_6fe45418-1e25-44cd-9830-87e214ca6111.png?v=1786099506</image:loc>
      <image:title>Aluminum ICP Standard Solution, 1000 ppm, 100 mL Bottle, 22000, (8, UN3264, P.G. III)</image:title>
      <image:caption>Aluminum ICP Standard Solution, 1000 ppm, 100 mL Bottle, 22000, (8, UN3264, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/antimony-sb-icp-standard-1000-ppm-in-hcl-100-ml-gfs-chemicals-22020</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1702-41_7e9b24e6-7dcd-424b-b88f-96f39bccb609.png?v=1786099508</image:loc>
      <image:title>Antimony (Sb) ICP Standard, 1000 ppm in HCl, 100 mL, GFS Chemicals, 22020</image:title>
      <image:caption>Antimony (Sb) ICP Standard, 1000 ppm in HCl, 100 mL, GFS Chemicals, 22020</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/arsenic-icp-standard-1000-ppm-100-ml-gfs-chemicals-22040</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1704-41_799ee2f0-93be-4dcf-9f6d-e66146f39316.png?v=1786099510</image:loc>
      <image:title>Arsenic ICP Standard 1000 ppm, 100 mL, GFS Chemicals, 22040</image:title>
      <image:caption>Arsenic ICP Standard 1000 ppm, 100 mL, GFS Chemicals, 22040</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/beryllium-icp-standard-1000-ppm-100-ml</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1708-41_58941dfa-de02-4016-81a8-c96effa74236.png?v=1786099512</image:loc>
      <image:title>Beryllium ICP Standard, 1000 ppm, 100 mL</image:title>
      <image:caption>Beryllium ICP Standard, 1000 ppm, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/boron-icp-standard-solution-1000-ppm-100-ml-gfs-chemicals-22120</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1712-41.png?v=1786099514</image:loc>
      <image:title>Boron ICP Standard Solution. 1000 ppm  100 mL, GFS Chemicals, 22120</image:title>
      <image:caption>Boron ICP Standard Solution. 1000 ppm  100 mL, GFS Chemicals, 22120</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cadmium-icp-standard-1000-ppm-100-ml</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1714-41.png?v=1786099515</image:loc>
      <image:title>Cadmium ICP Standard. 1000 ppm, 100 mL</image:title>
      <image:caption>Cadmium ICP Standard. 1000 ppm, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/calcium-icp-standard-solution-1000-ppm-100-ml-bottle-22160-8-un3264-p-g-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1716-41.png?v=1786099517</image:loc>
      <image:title>Calcium ICP Standard Solution, 1000 ppm, 100 mL Bottle, 22160 (8, UN3264, P.G. III)</image:title>
      <image:caption>Calcium ICP Standard Solution, 1000 ppm, 100 mL Bottle, 22160 (8, UN3264, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/cerium-icp-standard-1000-ppm-100-ml-22200</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1720-41.png?v=1786099519</image:loc>
      <image:title>Cerium ICP Standard, 1000 ppm, 100 mL, 22200</image:title>
      <image:caption>Cerium ICP Standard, 1000 ppm, 100 mL, 22200</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/chromium-10-000-ppm-icp-standard-500-ml-bottle-22252-8-un3264-p-g-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1725-29_b6fcd180-33ec-485b-b7c4-d6729eb825b5.png?v=1786099521</image:loc>
      <image:title>Chromium, 10,000 ppm ICP Standard, 500 mL Bottle, 22252, (8, UN3264, P.G. III)</image:title>
      <image:caption>Chromium, 10,000 ppm ICP Standard, 500 mL Bottle, 22252, (8, UN3264, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/germanium-1000-ppm-icp-standard-solution-100-ml-gfs-chemicals-22400</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1740-41_d00f1830-b9e2-4271-9f56-6b2bf580cb9f.png?v=1786099523</image:loc>
      <image:title>Germanium, 1000 ppm ICP Standard Solution, 100 mL, GFS Chemicals, 22400</image:title>
      <image:caption>Germanium, 1000 ppm ICP Standard Solution, 100 mL, GFS Chemicals, 22400</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/hafnium-1-000-ppm-icp-standard-solution-100-ml-22440</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1744-41_da098e0d-1647-4154-8a9d-dd7d492fa9af.png?v=1786099525</image:loc>
      <image:title>Hafnium 1,000 ppm ICP Standard Solution, 100 mL, 22440</image:title>
      <image:caption>Hafnium 1,000 ppm ICP Standard Solution, 100 mL, 22440</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/iron-icp-standard-solution-1000-ppm-100-ml-bottle-22520-8-un3264-p-g-iii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1752-41_ab4179e8-8f2d-4419-837a-f2572477c983.png?v=1786099527</image:loc>
      <image:title>Iron ICP Standard Solution, 1000 ppm, 100 mL Bottle, 22520 (8, UN3264, P.G. III)</image:title>
      <image:caption>Iron ICP Standard Solution, 1000 ppm, 100 mL Bottle, 22520 (8, UN3264, P.G. III)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/iron-10-000-ppm-icp-standard-solution-500-ml-bottle-22532</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1753-29.png?v=1786099528</image:loc>
      <image:title>Iron, 10,000 ppm ICP Standard Solution, 500 mL Bottle, 22532</image:title>
      <image:caption>Iron, 10,000 ppm ICP Standard Solution, 500 mL Bottle, 22532</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/lead-icp-standard-1000-ppm-100-ml</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1756-41_b8289edd-6d7b-4363-b5cc-4df46555b04d.png?v=1786099531</image:loc>
      <image:title>Lead ICP Standard, 1000 ppm, 100 mL</image:title>
      <image:caption>Lead ICP Standard, 1000 ppm, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
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      <image:caption>Nickel, 10,000 ppm ICP Standard Solution, 500 mL, 22732 (8, UN3264, P.G. III)</image:caption>
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  <url>
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      <image:caption>Silicon ICP Standard Solution, 1000 ppm (Sold by Each / Each = 100 mL) (8, UN3264, P.G. III)</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1803-41_d0813b1e-a081-4f76-9c6f-472cf8e29745.png?v=1786099537</image:loc>
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      <image:caption>Silver ICP Standard Solution, 1000 ppm, 100 mL Bottle, 23030 (8, UN3264, P.G. III)</image:caption>
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  <url>
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      <image:caption>Sulfur ICP Standard Solution, 1000 ppm, 100 mL, GFS Chemicals, 23090</image:caption>
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  <url>
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      <image:caption>Thallium ICP Standard Solution, 1000 ppm (8, UN3264, P.G. III)</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Titanium ICP Standard Solution, 1000 ppm, 100 mL, GFS Chemicals, 23250</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/tungsten-1-000-ppm-icp-standard-solution-500-ml-23272-8-un3264-p-g-ii</loc>
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      <image:caption>Tungsten, 1,000 ppm ICP Standard Solution, 500 mL, 23272 (8, UN3264, P.G. II)</image:caption>
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  <url>
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      <image:caption>Tungsten, 1,000 ppm ICP Standard Solution, 100 mL</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/uranium-1000-pmm-icp-standard-125-ml-bottle-gfs-chemicals-23290</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Uranium 1000 pmm ICP Standard, 125 mL Bottle, GFS Chemicals, 23290</image:caption>
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  </url>
  <url>
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      <image:caption>Zirconium ICP Standard Solution, 1000 ppm, 100 mL, GFS Chemicals, 23390</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/ammonium-acetate-bio-refined-500-g-gfs-chemicals-12411</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Ammonium Acetate, Bio-Refined, 500 g, GFS Chemicals, 12411</image:caption>
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  <url>
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      <image:caption>Ammonium Acetate, Bio-Refined, 2.5 kg, GFS Chemicals, 12412</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1974-41_af4ec90c-667c-4248-9a31-faacbf5bdf3b.png?v=1786099558</image:loc>
      <image:title>Chromium ICP Standard, 1000 ppm, 100 mL</image:title>
      <image:caption>Chromium ICP Standard, 1000 ppm, 100 mL</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/propylene-glycol-reagent-acs-4-l-bottle-62721-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Propylene Glycol, Reagent (ACS), 4 L Bottle, 62721 (Non-Regulated)</image:caption>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0921/2041/6571/files/GFS-1991-33_2cbcbe11-3a2d-434e-b802-df2314515fdc.png?v=1786099562</image:loc>
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      <image:caption>Chloride Color Reagent, Mercuric Thiocyanate 0.06% Solution (Sold by Each / Each = 4 L) (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Sodium Chloride-Hydroxylamine Sulfate Solution, 500 mL Bottle, 25232 (Non-Regulated)</image:title>
      <image:caption>Sodium Chloride-Hydroxylamine Sulfate Solution, 500 mL Bottle, 25232 (Non-Regulated)</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Hydrochloric Acid, 32 to 38%, Veritas Redistilled, Low PPB Trace Metals, 2.5 L, Single, GFS Chemicals, 43532</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Potassium Citrate, Monobasic, Reagent, 2.5 kg Bottle, 60742 (Non-Regulated)</image:title>
      <image:caption>Potassium Citrate, Monobasic, Reagent, 2.5 kg Bottle, 60742 (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sodium-thiosulfate-anhydrous-500-g-bottle-69581-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Sodium Thiosulfate, Anhydrous, 500 g Bottle, 69581</image:title>
      <image:caption>Sodium Thiosulfate, Anhydrous, 500 g Bottle, 69581</image:caption>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Stannous Chloride, Anhydrous, 98%, 500 g, GFS Chemicals, 70492</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/sodium-chlorite-80-purity-technical-grade-2-5-kg-gfs-chemicals-83912</loc>
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    <changefreq>daily</changefreq>
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      <image:caption>Sodium Chlorite, 80 % Purity, Technical Grade, 2.5 Kg, GFS Chemicals, 83912</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/eriochrome-black-t-reagent-acs-100-g-bottle-37302-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Eriochrome Black T, Reagent (ACS), 100 g Bottle, 37302 (Non-Regulated)</image:caption>
    </image:image>
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  <url>
    <loc>https://preiser.com/products/disodium-dihydrogen-ethylenediaminetetraacetate-dihydrate-salt-edta-100-g-gfs-chemicals-36007</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate Salt (EDTA) , 100 g, GFS Chemicals 36007</image:title>
      <image:caption>Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate Salt (EDTA) , 100 g, GFS Chemicals 36007</image:caption>
    </image:image>
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  <url>
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      <image:title>Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate Salt (EDTA) , 500 g, GFS Chemicals 36001</image:title>
      <image:caption>Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate Salt (EDTA) , 500 g, GFS Chemicals 36001</image:caption>
    </image:image>
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      <image:title>Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate Salt (EDTA) , 2.5 kg, GFS Chemicals 36002</image:title>
      <image:caption>Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate Salt (EDTA) , 2.5 kg, GFS Chemicals 36002</image:caption>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
    <loc>https://preiser.com/products/ferric-sulfate-hydrated-reagent-500-g-bottle-39501-9-un3077-p-g-iii</loc>
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  <url>
    <loc>https://preiser.com/products/lithium-metaborate-anhydrous-reagent-acs-500-g-48222-non-regulated</loc>
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  <url>
    <loc>https://preiser.com/products/mercuric-nitrate-monohydrate-acs-grade-reagent-100-g-gfs-chemicals-49801</loc>
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  </url>
  <url>
    <loc>https://preiser.com/products/silver-sulfate-reagent-acs-bottle-of-100-grams-non-regulated</loc>
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  <url>
    <loc>https://preiser.com/products/nitric-acid-double-distilled-2-l-teflon-bottle-8-un2031-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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  </url>
  <url>
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  <url>
    <loc>https://preiser.com/products/phosphoric-acid-85-acs-reagent-grade-2-5-l-gfs-chemicals-59604</loc>
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  <url>
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  <url>
    <loc>https://preiser.com/products/potassium-hydroxide-acs-grade-500-g-pellets-gfs-chemicals-60801</loc>
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  </url>
  <url>
    <loc>https://preiser.com/products/nitric-acid-redistilled-low-ppb-trace-metals-2-5-l-gfs-chemicals-53102</loc>
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  <url>
    <loc>https://preiser.com/products/lanthanum-chloride-heptahydrate-acs-regent-grade-100-g-gfs-chemicals-46301</loc>
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  </url>
  <url>
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  <url>
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  <url>
    <loc>https://preiser.com/products/ammonium-chloride-acs-grade-reagent-500-g-gfs-chemicals-12501</loc>
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  <url>
    <loc>https://preiser.com/products/ammonium-chloride-low-nitrate-acs-reagent-grade-500-g-gfs-chemicals-12481</loc>
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  <url>
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  <url>
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  <url>
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  <url>
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      <image:caption>Ammonium Sulfate ACS Grade Reagent, 2.5 kg, GFS Chemicals, 13302</image:caption>
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  <url>
    <loc>https://preiser.com/products/boric-acid-granular-acs-reagent-grade-500-g-gfs-chemicals-17401</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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  <url>
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  <url>
    <loc>https://preiser.com/products/citric-acid-anhydrous-acs-reagent-500-g-gfs-chemicals-30501</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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  </url>
  <url>
    <loc>https://preiser.com/products/citric-acid-anhydrous-acs-grade-reagent-gfs-chemicals-30502</loc>
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      <image:caption>Citric Acid, Anhydrous, ACS Grade Reagent, GFS Chemicals, 30502</image:caption>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Oxalic Acid, Dihydrate, ACS Reagent Grade, 500 g, GFS Chemicals, 54601</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/potassium-chloride-acs-reagent-grade-500-g-gfs-chemicals-60501</loc>
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  <url>
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  <url>
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  <url>
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  <url>
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  <url>
    <loc>https://preiser.com/products/sodium-acetate-trihydrate-acs-reagent-bottle-of-500-grams-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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  <url>
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  <url>
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  </url>
  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:caption>Sodium Nitrate, ACS Reagent, 500 Gram</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/benzoic-acid-acs-reagent-100-gram</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:title>Benzoic Acid, ACS Reagent, 100 Gram</image:title>
      <image:caption>Benzoic Acid, ACS Reagent, 100 Gram</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/benzoic-acid-reagent-acs-sold-by-each-each-500-grams-non-regulated</loc>
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      <image:caption>Benzoic Acid, Reagent (ACS) (Sold by Each / Each = 500 Grams) (Non-Regulated)</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/bromocresol-green-sodium-salt-acs-reagent-5-g-17801-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Bromocresol Green, Sodium Salt, ACS Reagent, 5 g, 17801 (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/bromphenol-blue-sodium-salt-reagent-acs-bottle-of-25-grams-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Bromphenol Blue, Sodium Salt, Reagent (ACS) (Bottle of 25 Grams) (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/copper-primary-standard-acs-reagent-shot-500-g-gfs-chemicals-31002</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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    <image:image>
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      <image:caption>Copper Primary Standard ACS Reagent Shot, 500 g, GFS Chemicals, 31002</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/hydroxy-naphthol-blue-acs-reagent-grade-100-g-gfs-chemicals-44802</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Hydroxy Naphthol Blue, ACS Reagent Grade, 100 g, GFS Chemicals, 44802</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/dimethyl-sulfoxide-acs-reagent-500-ml-gfs-chemicals-51151</loc>
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    <changefreq>daily</changefreq>
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      <image:caption>Dimethyl Sulfoxide, ACS Reagent, 500 mL, GFS Chemicals, 51151</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/methyl-orange-reagent-acs-100-g-gfs-chemicals-51002</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Methyl Orange, Reagent (ACS), 100 g, GFS Chemicals, 51002</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/methyl-red-sodium-salt-acs-reagent-bottle-of-10-grams-non-regulated</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:title>Methyl Red, Sodium Salt, ACS Reagent (Bottle of 10 Grams) (Non-Regulated)</image:title>
      <image:caption>Methyl Red, Sodium Salt, ACS Reagent (Bottle of 10 Grams) (Non-Regulated)</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/methyl-red-sodium-salt-acs-grade-reagent-25-g-gfs-chemicals-51102</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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  </url>
  <url>
    <loc>https://preiser.com/products/phenolphthalein-acs-reagent-100-gram</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Phenolphthalein, ACS Reagent, 100 Gram</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://preiser.com/products/potassium-sulfate-granular-acs-grade-reagent-2-5-kg-gfs-chemicals-62202</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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  <url>
    <loc>https://preiser.com/products/silver-chloride-reagent-grade-25-g-65101</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Silver Chloride, Reagent Grade, 25 g, 65101</image:caption>
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  </url>
  <url>
    <loc>https://preiser.com/products/sodium-bicarbonate-acs-reagent-grade-500-g-bottle-gfs-chemicals-66601</loc>
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  </url>
  <url>
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      <image:caption>Sodium Carbonate, Anhydrous, Powder, Reagent (ACS) (Sold by Each / Each = 500 Grams) (Non-Reagent)</image:caption>
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  <url>
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  </url>
  <url>
    <loc>https://preiser.com/products/sulfuric-acid-double-distilled-sold-by-each-each-500-ml-teflon-bottle-8-un1830-p-g-ii</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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  <url>
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    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Glycerin, ACS Reagent Grade, 500 mL, GFS Chemicals, 41401</image:caption>
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  <url>
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      <image:caption>Glycerin, ACS Reagent Grade, 4 L, GFS Chemicals, 41402</image:caption>
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  <url>
    <loc>https://preiser.com/products/magnesium-chloride-hexahydrate-acs-reagent-grade-gfs-chemicals-48801</loc>
    <lastmod>2026-08-26T18:58:31-04:00</lastmod>
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      <image:caption>Magnesium Chloride, Hexahydrate, ACS Reagent Grade, GFS Chemicals, 48801</image:caption>
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  <url>
    <loc>https://preiser.com/products/magnesium-sulfate-heptahydrate-acs-reagent-grade-500-g-gfs-chemicals-49501</loc>
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  <url>
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  <url>
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