{"product_id":"dissolved-oxygen-test-kit-visual-colorimetric-analysis-1-12-ppm-indigo-carmine-method-chemetrics-inc-k-7512","title":"Dissolved Oxygen Test Kit, Visual Colorimetric Analysis, 1-12 ppm, Indigo Carmine Method, Chemetrics, Inc., K-7512","description":"\u003cp\u003e\u003cstrong\u003eCHEMetrics™ Oxygen, Dissolved — CHEMets Visual Kit, 1 to 12 ppm, 30 Tests, K-7512\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAppearance:  yellow to pale green liquid\u003c\/li\u003e\n\u003cli\u003eCAS Nos.:\n\u003cul\u003e\n\u003cli\u003eWater:  7732-18-5\u003c\/li\u003e\n\u003cli\u003eDiethylene Glycol:  111-46-6\u003c\/li\u003e\n\u003cli\u003ePotassium Hydrogen Phthalate:  877-24-7\u003c\/li\u003e\n\u003cli\u003eProprietary Ingredients\u003c\/li\u003e\n\u003cli\u003eHydrochloric Acid:  7647-01-0\u003c\/li\u003e\n\u003cli\u003eEDTA Disodium Salt Dihydrate:  6381-92-6\u003c\/li\u003e\n\u003cli\u003eC.I. Acid Blue 74:  860-22-0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eIndigo Carmine Method—References: ASTM D 888-87, Colorimetric Indigo Carmine, Test Method A. Gilbert, T. W., Behymer, T. D., Casta±eda, H. B., Determination of Dissolved Oxygen in Natural and Wastewaters, \u003cem\u003eAmerican Laboratory\u003c\/em\u003e, March 1982, pp. 119-134\u003c\/li\u003e\n\u003cli\u003eTest kits for environmental and drinking water applications (ppm range) employ the indigo carmine method\u003c\/li\u003e\n\u003cli\u003eReduced form of indigo carmine reacts with D.O. to form a blue product\u003c\/li\u003e\n\u003cli\u003eIndigo carmine methodology is not subject to interferences from temperature, salinity, or dissolved gases such as sulfide, which plague users of D.O. meters\u003c\/li\u003e\n\u003cli\u003eResults are expressed as ppm (mg\/L) O\u003csub\u003e2\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded in Kit:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlastic case\u003c\/li\u003e\n\u003cli\u003eRefill reagents, 30 ampoules\u003c\/li\u003e\n\u003cli\u003eComparator\u003c\/li\u003e\n\u003cli\u003e25 mL sample cup\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003cli\u003eSDS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chemetrics","offers":[{"title":"EA (1)","offer_id":51111468302651,"sku":"CHZ-K7512-EA","price":76.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/CHZ-K7512.png?v=1784718036","url":"https:\/\/preiser.com\/products\/dissolved-oxygen-test-kit-visual-colorimetric-analysis-1-12-ppm-indigo-carmine-method-chemetrics-inc-k-7512","provider":"Preiser Scientific","version":"1.0","type":"link"}