{"product_id":"chlorine-test-kit-free-total-visual-colorimetric-analysis-0-1-1-5-ppm-dpd-method","title":"Chlorine Test Kit, Free \u0026 Total, Visual Colorimetric Analysis, 0-1 \u0026 1-5 ppm DPD Method","description":"\u003cp\u003e\u003cstrong\u003eCHEMetrics® \u003c\/strong\u003e\u003cstrong\u003eChlorine (Free \u0026amp; Total) — CHEMets Visual Test Kit with Reagents for 30 Tests, Range: 0 to 1 and 0 to 5 mg\/L (ppm), 5K-2504\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUSEPA-approved DPD Method (References: USEPA Methods for Chemical Analysis of Water and Wastes, Method 330.5 (1983). APHA Standard Methods, 20th ed., pp. 4-63, Method 4500-Cl G (1998))\u003c\/li\u003e\n\u003cli\u003eMinimum detection limit (MDL): 0.05 mg\/L\u003c\/li\u003e\n\u003cli\u003eFree chlorine reacts with DPD to form a pink product\u003c\/li\u003e\n\u003cli\u003eIn presence of ammonia or amines, some of the chlorine may exist as combined chlorine—combined chlorine will not interfere with the free chlorine results, provided the readings are taken at one minute\u003c\/li\u003e\n\u003cli\u003eTo determine total chlorine (the sum of free and combined), use the A-2500 Activator Solution (potassium iodide) supplied in the kit\u003c\/li\u003e\n\u003cli\u003eResults expressed as ppm (mg\/L) Cl\u003csub\u003e2\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cli\u003eAppearance: \n\u003cul\u003e\n\u003cli\u003eAmpoules—colorless to light pink liquid\u003c\/li\u003e\n\u003cli\u003eActivator solution—colorless to light yellow 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\u003eWater:  7732-18-5\u003c\/li\u003e\n\u003cli\u003eAcetone:  67-64-1\u003c\/li\u003e\n\u003cli\u003ePotassium Phosphate, Monobasic:  7778-77-0\u003c\/li\u003e\n\u003cli\u003eN,N-Diethyl-p-Phenylenediamine Oxalate:  62637-92-7\u003c\/li\u003e\n\u003cli\u003e2 proprietary ingredients\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eActivator Solution:\n\u003cul\u003e\n\u003cli\u003ePotassium Iodide:  7681-11-0\u003c\/li\u003e\n\u003cli\u003eSodium Hydroxide:  1310-73-2\u003c\/li\u003e\n\u003cli\u003eWater:  7732-18-5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eInclude with Kit:\u003cbr\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePackage of Chlorine (Free \u0026amp; Total), 30 ampoules (\u003cspan style=\"text-decoration: underline; color: #000080;\"\u003e\u003cspan style=\"color: #000080; text-decoration: underline;\"\u003eCHZ-R2500\u003c\/span\u003e\u003c\/span\u003e)\u003c\/li\u003e\n\u003cli\u003eLow range comparator\u003c\/li\u003e\n\u003cli\u003eHigh range comparator\u003c\/li\u003e\n\u003cli\u003eActivator solution (\u003cspan style=\"text-decoration: underline; color: #000080;\"\u003e\u003cspan style=\"color: #000080; text-decoration: underline;\"\u003eCHZ-A2500-01\u003c\/span\u003e\u003c\/span\u003e)\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\u003ePlastic case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e \u003c\/div\u003e","brand":"CHEMetrics","offers":[{"title":"EA (1)","offer_id":51111466172731,"sku":"CHZ-K2504-EA","price":85.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/CHZ-K2504.png?v=1784717964","url":"https:\/\/preiser.com\/products\/chlorine-test-kit-free-total-visual-colorimetric-analysis-0-1-1-5-ppm-dpd-method","provider":"Preiser Scientific","version":"1.0","type":"link"}