{"title":"Miscellaneous Standards","description":"\u003cp\u003eMiscellaneous Standards\u003c\/p\u003e","products":[{"product_id":"spectronic-spectrophotometer-standards-kit","title":"Spectronic Spectrophotometer Standards Kit","description":"\u003cp\u003e\u003cstrong\u003eThermo Scientific™ Spectronic™ Spectrophotometer Standards, 840-253100\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of 7 glass pieces mounted in metal frames sized to fit standard square cuvette holders\u003c\/li\u003e\n\u003cli\u003eUse to check performance and accuracy of your spectrophotometer in your own lab\u003c\/li\u003e\n\u003cli\u003eEasy to use as standard cuvette\u003c\/li\u003e\n\u003cli\u003eEach set is individually tested and certifed to be accurate, with values traceable to NIST or other primary standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSupplied with:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCalibrated neutral density glass standards at nominal values of 0.3, 0.5, 1.0, and 1.5 angstroms — standards are calibrated at 440.0 nm, 465.0 nm, 590.0 nm, and 635.0 nm\u003c\/li\u003e\n\u003cli\u003eOne calibrated standard for checking wavelength accuracy at nominal wavelenghts on 400 nm, 522 nm, and 777 nm— symmetry of peaks means that tests of wavelength accuracy are independent of spectral bandwidth (between 1 nm and 10 nm) of instrument being tested\u003c\/li\u003e\n\u003cli\u003eFilter for checking stray light in UV-Vis instruments at 220 nm \u003c\/li\u003e\n\u003cli\u003eFilter for checking stray light in Vis instruments at 400 nmFilters are supplied in tough plastic storage container\u003c\/li\u003e\n\u003cli\u003eRecalibration recommended every 2 years and can be provided by Thermo Scientific\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eStray light filters should block light completely at measurement wavelength and are therefore, not somethiing that can be calibrated\u003c\/li\u003e\u003c\/ul\u003e","brand":"Thermo Fisher Scientific","offers":[{"title":"EA (1)","offer_id":51110748881211,"sku":"21-8954-08-EA","price":1680.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/21-8954-08.png?v=1784700145"},{"product_id":"iodine-calibration-standards-checking-set-hanna-instruments-hi718-11","title":"Iodine Calibration Standards Checking Set, Hanna Instruments, HI718-11","description":"\u003cdiv\u003eHI 718-11 is a high quality calibration checking set for validation of the Checker®HC Iodine Colorimeter (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-04\u003c\/span\u003e\u003c\/span\u003e). The set consists of two cuvettes—a zero ppm cuvette and a cuvette tinted to an equivalent of 1.0 ± 0.2 ppm iodine @ 25 °C.\u003c\/div\u003e \u003cdiv\u003e \u003c\/div\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eStandard value of 1.0 ± 0.2 ppm iodine @ 25 °C\u003c\/li\u003e \u003cli\u003eReusable with long shelf life stability\u003c\/li\u003e \u003cli\u003eSupplied with a Certificate of Analysis which includes: Lot number, reference values, and expiration date for traceability\u003c\/li\u003e \u003cli\u003eProduced using reagent grade chemicals in a temperature controlled environment\u003c\/li\u003e \u003c\/ul\u003e ","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51110859538747,"sku":"90-2619-74-EA","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-74.png?v=1784702885"},{"product_id":"iron-calibration-standards-checking-set-hanna-instruments-hi721-11","title":"Iron Calibration Standards Checking Set, Hanna Instruments, HI721-11","description":"\u003cdiv\u003e \u003c\/div\u003e \u003cp\u003eHI 721-11 is a high quality calibration checking set for the validation of the Checker®HC Iron Colorimeter (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-05\u003c\/span\u003e).  The set consists of two cuvettes—a zero ppm cuvette and a cuvette that is tinted to an equivalent of  1.00 ± 0.06 ppm iron @ 25 °C.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eStandard value of 1.00 ± 0.06 ppm iron @ 25 °C\u003c\/li\u003e \u003cli\u003eReusable with long shelf life stability\u003c\/li\u003e \u003cli\u003eSupplied with Certificate of Analysis including lot number, reference values, and expiration date for traceability\u003c\/li\u003e \u003cli\u003ePrepared from reagent grade chemicals in a temperature controlled environment\u003c\/li\u003e \u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51110859637051,"sku":"90-2619-75-EA","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-75.png?v=1784702887"},{"product_id":"marine-calcium-calibration-standards-checking-set-hanna-instruments-hi758-11","title":"Marine Calcium Calibration Standards Checking Set, Hanna Instruments, HI758-11","description":"\u003cdiv\u003e HI 758-11 is the certified calibration checking set for the Checker®HC Marine Calcium colorimeter.  The set consists of two cuvettes-Standard A,  a zero standard cuvette, and Standard B cuvette.\u003c\/div\u003e \u003cdiv align=\"\"\u003e \u003c\/div\u003e \u003cdiv align=\"\"\u003e \u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51110859702587,"sku":"90-2619-77-EA","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-77.png?v=1784702890"},{"product_id":"silica-calibration-standards-checking-set-hanna-instruments-hi770-11","title":"Silica Calibration Standards Checking Set, Hanna Instruments, HI770-11","description":"\u003cdiv\u003eHI 770-11 is the calibration checking set for the Checker®HC High Range Silica Colorimeter (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-08\u003c\/span\u003e). The set consists of two cuvettes—a zero ppm cuvette and a 100 ppm cuvette.\u003c\/span\u003e\n\u003c\/div\u003e \u003cp\u003e \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"PK (1)","offer_id":51110859735355,"sku":"90-2619-78-PK","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-78_6adb39ab-8fab-4d30-be47-b24f8ef70d25.png?v=1784702891"},{"product_id":"color-of-water-calibration-standards-checking-set-for-checker-hc-colorimeter-hanna-instruments-hi727-11","title":"Color of Water Calibration Standards Checking Set for Checker HC Colorimeter, Hanna Instruments, HI727-11","description":"\u003cdiv\u003e HI 727-11 is the calibration checking set for the Checker®HC Color of Water Colorimeter (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-09\u003c\/span\u003e\u003c\/span\u003e). The set consists of two cuvettes-a Zero PCU cuvette and a 150 PCU cuvette.\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"PK (1)","offer_id":51110859833659,"sku":"90-2619-79-PK","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-79.png?v=1784702893"},{"product_id":"phosphorus-ultra-low-range-calibration-standards-checking-set-hanna-instruments-hi736-11","title":"Phosphorus, Ultra Low Range, Calibration Standards Checking Set, Hanna Instruments, HI736-11","description":"\u003cdiv\u003eHI 736-11 is the calibration checking set for the Checker®HC HI 736 Ultra Low Range Phosphorus Colorimeter (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-12\u003c\/span\u003e). The set consists of two cuvettes—a zero ppm cuvette and a 200 ppb cuvette.\u003c\/span\u003e\n\u003c\/div\u003e \u003cp\u003e \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51110859866427,"sku":"90-2619-82-EA","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-82.png?v=1784702894"},{"product_id":"alkalinity-calibration-standards-checking-set-hanna-instruments-hi755-11","title":"Alkalinity Calibration Standards Checking Set, Hanna Instruments, HI755-11","description":"\u003cdiv\u003eHI 755-11 is the calibration checking set for the HI 755 Alkalinity Checker®HC (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-13\u003c\/span\u003e). The set consists of two cuvettes—a zero ppm cuvette and a 100 ppb cuvette.\u003c\/span\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"PK (1)","offer_id":51110859899195,"sku":"90-2619-83-PK","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-83.png?v=1784702896"},{"product_id":"high-range-phosphorus-calibration-standards-checking-set-for-checker-hc-phosphorus-colorimeter-hanna-instruments-hi706-11","title":"High Range Phosphorus Calibration Standards Checking Set for Checker HC Phosphorus Colorimeter, Hanna Instruments, HI706-11","description":"\u003cdiv\u003e HI 706-11 is the calibration checking set for the validation of the HI 706 High Range Checker®HC Phosphorus Colorimeter (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-15\u003c\/span\u003e) in the range of 0.00 to 15.00 ppm (mg\/L). The set consists of two cuvettes—a zero cuvette (A) and a 7.5 ppm cuvette (B).\u003c\/span\u003e\n\u003c\/div\u003e \u003cdiv\u003e \u003c\/div\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHigh quality re-usable standard with long shelf life stability\u003c\/li\u003e \u003cli\u003eSupplied with Certificate of analysis that includes the product code, lot number, and expiration date\u003c\/li\u003e \u003cli\u003eStandard value of 7.5 ± 0.5 ppm phosphorus @ 25º C\u003c\/li\u003e \u003cli\u003eMade from reagent grade chemicals in a temperature controlled environment\u003c\/li\u003e \u003c\/ul\u003e ","brand":"Hanna Instruments","offers":[{"title":"PK (1)","offer_id":51110860030267,"sku":"90-2619-85-PK","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-85.png?v=1784702899"},{"product_id":"high-range-nickel-calibration-standards-checking-set-hanna-instruments-hi726-11","title":"High Range Nickel Calibration Standards Checking Set, Hanna Instruments, HI726-11","description":"\u003cdiv\u003e HI 726-11 is the calibration checking set for HI 726 High Range Checker®HC Nickel Colorimeter (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-16\u003c\/span\u003e). The set consists of two cuvettes—a zero cuvette (A) and a 3.50 ppm cuvette (B).\u003c\/span\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51110860095803,"sku":"90-2619-86-EA","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-86.png?v=1784702900"},{"product_id":"high-range-phosphate-calibration-standards-checking-set-hanna-instruments-hi717-11","title":"High Range Phosphate Calibration Standards Checking Set, Hanna Instruments, HI717-11","description":"\u003cdiv\u003e HI 717-11 is the high quality calibration checking set for validation of the HI 717 High Range Checker®HC Phosphate Colorimeter (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-17\u003c\/span\u003e). The set consists of two cuvettes—a zero ppm cuvette and a 15.0 ppm cuvette. \u003c\/span\u003e\n\u003c\/div\u003e \u003cdiv\u003e \u003c\/div\u003e \u003cdiv\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003eReuseable with long shelf life stability\u003c\/li\u003e \u003cli\u003eStandard value of 15.0 ± 1.5 ppm (mg\/L) phosphate @ 25 °C\u003c\/li\u003e \u003cli\u003eSupplied with Certificate of Analysis including: Product code, Lot number, Expiration Date\u003c\/li\u003e \u003cli\u003ePrepared using reagent grade chemicals in a temperature controlled environment\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51110860128571,"sku":"90-2619-87-EA","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-87_394fce6c-c98a-4820-add4-ffba496eec94.png?v=1784702902"},{"product_id":"high-range-chromium-vi-calibration-standards-checking-set-hanna-instruments-hi723-11","title":"High Range Chromium VI Calibration Standards Checking Set, Hanna Instruments, HI723-11","description":"\u003cdiv\u003e HI 723-11 is a high quality calibration checking set for the validation of the HI 723 Checker®HC Chromium VI Colorimeter (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-18\u003c\/span\u003e). The set consists of two cuvettes—a zero ppb cuvette (A) and a cuvette (B) tinted to an equivalent of 300 ± 15 ppb chromium VI @ 25 °C.\u003c\/span\u003e\n\u003c\/div\u003e \u003cdiv\u003e \u003c\/div\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eStandard value of 300 ± 15 ppb Chromium VI @ 25 °C\u003c\/li\u003e \u003cli\u003eReusable with long shelf life stability\u003c\/li\u003e \u003cli\u003eSupplied with Certificate of Analysis which includes product code, lot number, and expiration date\u003c\/li\u003e \u003cli\u003ePrepared from reagent grade chemicals in a temperature controlled environment\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51110860161339,"sku":"90-2619-88-EA","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-88.png?v=1784702903"},{"product_id":"tris-calorimetric-test-substance-100-g-bottle-parr-instruments-3422","title":"Tris, Calorimetric Test Substance, 100 g Bottle, Parr Instruments, 3422","description":"\u003cp\u003e\u003cstrong\u003eParr Instruments® Tris, Calorimetric Test Substance, 100 g Bottle, 3422\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures: \u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eTris(Hydroxymethyl)Aminomethane Hydrochloride\u003c\/li\u003e \u003cli\u003eAppearance:  white solid\u003c\/li\u003e \u003cli\u003eCas No.:  1185-53-1\u003c\/li\u003e \u003cli\u003eMolecular Formula:  C\u003csub\u003e4\u003c\/sub\u003eH\u003csub\u003e11\u003c\/sub\u003eNO\u003csub\u003e3\u003c\/sub\u003e•HCl\u003c\/li\u003e \u003cli\u003eMolecular Weight:  157.6 g\/mol\u003c\/li\u003e \u003cli\u003epH:  3.5-5.0 (@ 25 °C) 1 % aq.sol (25 °C)\u003c\/li\u003e \u003cli\u003eMelting Point\/Range:  150 - 153 °C \/ 302 - 307.4 °F\u003c\/li\u003e \u003cli\u003eSynonyms: \u003cul\u003e \u003cli\u003eTromethane\u003c\/li\u003e \u003cli\u003e2-Amino-2-(hydroxymethyl)-1,3-propanediol, hydrochloride\u003c\/li\u003e \u003cli\u003eTRIS\u003c\/li\u003e \u003cli\u003eTromethamine\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e","brand":"Parr Instrument Company","offers":[{"title":"EA (1)","offer_id":51110900597051,"sku":"90-4377-07-EA","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-4377-07.png?v=1784703920"},{"product_id":"calibration-kit-for-standard-dual-range-tds-testrs-cole-parmer-instrument-co-wd-35661-70","title":"Calibration Kit for Standard \u0026 Dual Range TDS Testrs, Cole Parmer Instrument Co., 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blacktext style=\"\" font-family: times new roman font-size: small\u003e\u003cspan style=\"\" font-family: arial helvetica sans-serif\u003eµS,\u003c\/span\u003e\u003c\/span\u003e and rinse water plus sample jar packaged in hard case\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cole-Parmer","offers":[{"title":"EA (1)","offer_id":51111030882619,"sku":"91-2617-14-EA","price":89.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/91-2617-14_66ec0997-b770-4c17-a217-1c983418bdbe.png?v=1784707248"},{"product_id":"buffer-reference-standard-ph-11-00-0-01-at-25-degrees-c-500-ml-plastic-bottle-ricca-chemical-company-1610-16","title":"Buffer, Reference Standard, pH 11.00 +\/- 0.01 at 25 Degrees C, 500 mL Plastic Bottle, Ricca Chemical Company, 1610-16","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size:\" small\u003e\u003cspan style=\"font-size:\" 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Matrics\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Others","offers":[{"title":"PK (1)","offer_id":51111234142523,"sku":"93-2807-45-PK","price":825.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/93-2807-45.png?v=1784712739"},{"product_id":"cyanide-standard-1000-ppm-1-ml-1-mg-l-cn-500-ml-poly-bottle-labchem-lc135451","title":"Cyanide Standard, 1000 ppm (1 mL = 1 mg\/L CN-), 500 mL Poly Bottle, Labchem, LC135451","description":"\u003cp\u003e\u003cstrong\u003eLabchem® Cyanide Standard, 1000 ppm (1 mL = 1 mg\/L CN\u003csup\u003e-\u003c\/sup\u003e), 500 mL Poly Bottle, LC135451\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAppearance:  clear, colorless liquid\u003c\/li\u003e \u003cli\u003eCAS Nos.: \u003cul\u003e \u003cli\u003eWater:  7732-18-5\u003c\/li\u003e \u003cli\u003ePotassium Cyanide:  151-50-8\u003c\/li\u003e 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