{"id":1582111493,"title":"HANNA HI 3887 CTK pH \u0026 Free Chlorine","handle":"hi3887","description":"\u003cp\u003eFree chlorine reacts with ammonium ions and organic compounds to form chlorine compounds resulting in diminished disinfecting capabilities compared with free chlorine. These chlorine compounds together with chloramines form combined chlorine. Combined chlorine and excess free chlorine together result in total chlorine. While free chlorine has a much higher disinfectant potential. combined chlorine has a much higher stability and has a lesser volatility. There should be sufficient levels of unreacted free chlorine for adequate disinfection. but not so much as to become harmful.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003e HI 3887 test kit comes with color comparison cubes (2). 20 mL reagent 1. 15 mL reagent 2. 25 mL HI 3881-0 pH 6.0-8.5 reagent\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification :\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eColorimetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCl\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e²\u003c\/span\u003e\u003c\/sub\u003e: 0.0-2.5 mg\/L\u003cbr\u003epH: 6.0-8.5 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmallest Increment\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCl\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e²\u003c\/span\u003e\u003c\/sub\u003e: 0.5 mg\/L\u003cbr\u003epH: 0.5 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical Method\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eDPD\u003cbr\u003e pH indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Tests\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCl\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e²\u003c\/span\u003e\u003c\/sub\u003e: approx. 50\u003cbr\u003e pH: 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e280 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","published_at":"2026-06-25T16:23:24+12:00","created_at":"2015-09-01T15:09:09+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Manufacturer_Hanna Instruments","Type_Chemical Test Kits"],"price":7410,"price_min":7410,"price_max":7410,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":4857190789,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI3887","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA HI 3887 CTK pH \u0026 Free Chlorine","public_title":null,"options":["Default Title"],"price":7410,"weight":0,"compare_at_price":null,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e07f6220c02_2015.jpeg?v=1465536767"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e07f6220c02_2015.jpeg?v=1465536767","options":["Title"],"media":[{"alt":"HI 3887 CTK pH \u0026 Free Chlorine - Acorn Scientific","id":21281701987,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e07f6220c02_2015.jpeg?v=1465536767"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e07f6220c02_2015.jpeg?v=1465536767","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eFree chlorine reacts with ammonium ions and organic compounds to form chlorine compounds resulting in diminished disinfecting capabilities compared with free chlorine. These chlorine compounds together with chloramines form combined chlorine. Combined chlorine and excess free chlorine together result in total chlorine. While free chlorine has a much higher disinfectant potential. combined chlorine has a much higher stability and has a lesser volatility. There should be sufficient levels of unreacted free chlorine for adequate disinfection. but not so much as to become harmful.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003e HI 3887 test kit comes with color comparison cubes (2). 20 mL reagent 1. 15 mL reagent 2. 25 mL HI 3881-0 pH 6.0-8.5 reagent\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification :\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eColorimetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCl\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e²\u003c\/span\u003e\u003c\/sub\u003e: 0.0-2.5 mg\/L\u003cbr\u003epH: 6.0-8.5 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmallest Increment\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCl\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e²\u003c\/span\u003e\u003c\/sub\u003e: 0.5 mg\/L\u003cbr\u003epH: 0.5 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical Method\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eDPD\u003cbr\u003e pH indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Tests\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eCl\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e²\u003c\/span\u003e\u003c\/sub\u003e: approx. 50\u003cbr\u003e pH: 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e280 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e"}