{"product_id":"hardness-test-kit-visual-colorimetric-analysis-100-1000-ppm-edta-method-chemetrics-inc-k-4585","title":"Hardness Test Kit, Visual Colorimetric Analysis, 100-1000 ppm, EDTA Method, Chemetrics, Inc., K-4585","description":"\u003cp\u003e\u003cstrong\u003eCHEMetrics® Hardness (Total)—Tirets Titration Cells, 30 Ampoules\/EA, 100 to 1000 ppm as CaCO\u003csub\u003e3\u003c\/sub\u003e, K-4585\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMethod:  EDTA (total)\u003cstrong\u003e—\u003c\/strong\u003eReferences: APHA Standard Methods, 20th ed., pp. 2-37, Method 2340 C (1998). USEPA Methods for Chemical Analysis of Water and Wastes, Method 130.2 (1983)\u003c\/li\u003e\n\u003cli\u003eMinimum detection limit:  100 ppm\u003c\/li\u003e\n\u003cli\u003eDependable, sealed single-use titrants\u003c\/li\u003e\n\u003cli\u003eFast, easy procedure\u003cstrong\u003e—\u003c\/strong\u003eno need to count drops\u003c\/li\u003e\n\u003cli\u003eNo burettes or other equipment required\u003c\/li\u003e\n\u003cli\u003eTitration can be performed ANYWHERE\u003c\/li\u003e\n\u003cli\u003eApplicable to drinking, surface, boiler, and brine waters\u003c\/li\u003e\n\u003cli\u003eEDTA titrant employed in alkaline solution with calmagite indicator\u003c\/li\u003e\n\u003cli\u003eMethod determines combined calcium and magnesium concentration of sample\u003cstrong\u003e—\u003c\/strong\u003ewhen magnesium is not present end point of titration normally appears sluggish but the reagent in the tirets is specially formulated to ensure sharp end points regardless of presence of magnesium\u003c\/li\u003e\n\u003cli\u003eResults expressed as ppm (mg\/L) CaCO\u003csub\u003e3\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncrements of 100, 110, 120, 130, 140, 150, 160, 180, 200, 250, 300, 350, 400, 500, 700, 1000 ppm\u003c\/li\u003e\n\u003cli\u003eAppearance:\n\u003cul\u003e\n\u003cli\u003eAmpoules: clear liquid\u003c\/li\u003e\n\u003cli\u003eValve Assemblies:  red liquid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eCAS Nos.:\n\u003cul\u003e\n\u003cli\u003eAmpoules:\n\u003cul\u003e\n\u003cli\u003eEDTA Disodium Salt:  139-33-3\u003c\/li\u003e\n\u003cli\u003eEDTA magnesium Disodium Salt:  14402-88-1\u003c\/li\u003e\n\u003cli\u003e2-Amino-2-Ethyl-1,3-Propanediol:  115-70-8\u003c\/li\u003e\n\u003cli\u003eWater:  7732-18-5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eValve Assemblies:\n\u003cul\u003e\n\u003cli\u003eCalmagite:  3147-14-6\u003c\/li\u003e\n\u003cli\u003eDiethylene Glycol:  111-46-6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e30 ampoules with valve assemblies\u003c\/li\u003e\n\u003cli\u003eTitrettor\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\u003cli\u003eCardboard box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Chemetrics","offers":[{"title":"EA (1)","offer_id":51111466991931,"sku":"CHZ-K4585-EA","price":45.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/CHZ-K4585.png?v=1784717972","url":"https:\/\/preiser.com\/products\/hardness-test-kit-visual-colorimetric-analysis-100-1000-ppm-edta-method-chemetrics-inc-k-4585","provider":"Preiser Scientific","version":"1.0","type":"link"}