{"product_id":"whatman-grade-40-quantitative-ashless-filter-paper-medium-fine-precipitates-retained-12-5-cm","title":"Whatman Grade 40 Quantitative Ashless Filter Paper, Medium Fine Precipitates Retained, 12.5 cm Diameter, 100\/PK, Cytiva, 1440-125","description":"\u003cp\u003e\u003cstrong\u003eCytiva® Whatman® Grade 40 Quantitative Ashless Filter Paper, Medium Fine Precipitates Retained, 12.5 cm Diameter, 1440-125\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-purity, general-purpose papers for quantitative analysis\u003c\/li\u003e\n\u003cli\u003eGrade 40 filters are suitable for variety of analytical filtration applications\u003c\/li\u003e\n\u003cli\u003eContain 0.007% maximum ash content\u003c\/li\u003e\n\u003cli\u003eMedium nominal particle retention rating of 8 µm\u003c\/li\u003e\n\u003cli\u003eMedium filtration speed (Herzberg 340 s)\u003c\/li\u003e\n\u003cli\u003eParticularly useful for gravimetric analysis\u003c\/li\u003e\n\u003cli\u003eCytiva offers wide range of Whatman ashless and hardened ashless filter papers for gravimetric analysis\u003c\/li\u003e\n\u003cli\u003eHigh-purity filters support accurate analysis in applications sensitive to very low levels of background contamination and in gravimetric analysis where ash content might affect weight measurements of combusted samples\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 210 µm\u003c\/li\u003e\n\u003cli\u003eNominal basis weight: 95 g\/m\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eAlpha minimum cellulose content: ≥98%\u003c\/li\u003e\n\u003cli\u003eTrace element contents: Aluminium 2.5 µg\/g Antimony \u0026lt;0.5 µg\/g Arsenic \u0026lt;0.5 µg\/g Barium \u0026lt;0.5 µg\/g Boron \u0026lt;1 µg\/g Calcium 8.3 µg\/g Chromium 1.5 µg\/g Copper 2 µg\/g Iron 12 µg\/g Lead \u0026lt;0.5 µg\/g Magnesium 4 µg\/g Manganese \u0026lt;0.5 µg\/g Mercury \u0026lt;0.5 µg\/g Potassium 2.3 µg\/g Silicon 6.2 µg\/g Sodium 16.8 µg\/g Zinc 64.5 µg\/g \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSoil analysis, when separating solid matter from aqueous extracts\u003c\/li\u003e\n\u003cli\u003eQuantitative determination of milk sediment\u003c\/li\u003e\n\u003cli\u003eUse as clean-up filter for solutions prior to atomic absorption (AA) spectrometry\u003c\/li\u003e\n\u003cli\u003eAnalysis of constituent components in cements, clays, iron, and steel products\u003c\/li\u003e\n\u003cli\u003eCollection of trace elements and radionuclides from atmosphere\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cytiva","offers":[{"title":"PK (1)","offer_id":51110951813435,"sku":"90-7501-06-PK","price":99.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-7501-06_800450d4-0334-41f6-a6ef-51b5f4e5b913.png?v=1785296006","url":"https:\/\/preiser.com\/products\/whatman-grade-40-quantitative-ashless-filter-paper-medium-fine-precipitates-retained-12-5-cm","provider":"Preiser Scientific","version":"1.0","type":"link"}