{"id":1582109061,"title":"HANNA HI 3818 CTK Carbon Dioxide","handle":"hi3818","description":"\u003cp\u003eCarbon dioxide levels can be measured quickly and safely with the HANNA Carbon Dioxide Test Kit. This compact. portable kit allows the user the option of field or laboratory use. The design makes the kit easy to handle and. except for the Carbon Dioxide Reagent. practically prevents accidental injury or damage due to spills.\u003c\/p\u003e\n\u003cp\u003eCarbon dioxide (as carbonic acid) in the water sample is neutralized with a dilute sodium-hydroxide solution to a pH of 8.3 using a phenolphthalein indicator. This process converts carbonic acid to sodium bicarbonate:\u003c\/p\u003e\n\u003cp\u003eCO\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e2\u003c\/span\u003e\u003c\/sub\u003e+H\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e2\u003c\/span\u003e\u003c\/sub\u003eO → H\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e2\u003c\/span\u003e\u003c\/sub\u003eCO\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e3\u003c\/span\u003e\u003c\/sub\u003e+NaOH → NaHCO\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e3\u003c\/span\u003e\u003c\/sub\u003e+H\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e2\u003c\/span\u003e\u003c\/sub\u003e0\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003e HI 3818 test kit comes with 10 mL phenolphthalein indicator. 120 mL carbon dioxide reagent. 10 mL calibrated vessel. 50 mL calibrated vessel and calibrated syringe.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eProduct Manuals\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\" alt=\"\" width=\"20\" height=\"22\" align=\"absmiddle\" border=\"0\"\u003e  Manual: \u003ca title=\"Download Product Manual\" href=\"http:\/\/www.hannainst.com\/manuals\/3818.pdf\" target=\"_blank\"\u003eDownload\u003c\/a\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\u003eTitration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e0.0-10.0 mg\/L\u003cbr\u003e 0.0-50.0 mg\/L\u003cbr\u003e 0-100 mg\/L\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\u003e0.1 mg\/L\u003cbr\u003e 0.5 mg\/L\u003cbr\u003e 1 mg\/L\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\u003ePhenolphthalein\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\u003eapprox. 110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e460 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","published_at":"2026-06-25T16:28:37+12:00","created_at":"2015-09-01T15:08:49+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Manufacturer_Hanna Instruments","Type_Chemical Test Kits"],"price":5500,"price_min":5500,"price_max":5500,"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":4857183941,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI3818","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA HI 3818 CTK Carbon Dioxide","public_title":null,"options":["Default Title"],"price":5500,"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_51e05e0aa1ff2_2015.jpeg?v=1465536695"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e05e0aa1ff2_2015.jpeg?v=1465536695","options":["Title"],"media":[{"alt":"HI 3818 CTK Carbon Dioxide - Acorn Scientific","id":21280424035,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e05e0aa1ff2_2015.jpeg?v=1465536695"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e05e0aa1ff2_2015.jpeg?v=1465536695","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eCarbon dioxide levels can be measured quickly and safely with the HANNA Carbon Dioxide Test Kit. This compact. portable kit allows the user the option of field or laboratory use. The design makes the kit easy to handle and. except for the Carbon Dioxide Reagent. practically prevents accidental injury or damage due to spills.\u003c\/p\u003e\n\u003cp\u003eCarbon dioxide (as carbonic acid) in the water sample is neutralized with a dilute sodium-hydroxide solution to a pH of 8.3 using a phenolphthalein indicator. This process converts carbonic acid to sodium bicarbonate:\u003c\/p\u003e\n\u003cp\u003eCO\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e2\u003c\/span\u003e\u003c\/sub\u003e+H\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e2\u003c\/span\u003e\u003c\/sub\u003eO → H\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e2\u003c\/span\u003e\u003c\/sub\u003eCO\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e3\u003c\/span\u003e\u003c\/sub\u003e+NaOH → NaHCO\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e3\u003c\/span\u003e\u003c\/sub\u003e+H\u003csub\u003e\u003cspan style=\"font-size: small;\"\u003e2\u003c\/span\u003e\u003c\/sub\u003e0\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003e HI 3818 test kit comes with 10 mL phenolphthalein indicator. 120 mL carbon dioxide reagent. 10 mL calibrated vessel. 50 mL calibrated vessel and calibrated syringe.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eProduct Manuals\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\" alt=\"\" width=\"20\" height=\"22\" align=\"absmiddle\" border=\"0\"\u003e  Manual: \u003ca title=\"Download Product Manual\" href=\"http:\/\/www.hannainst.com\/manuals\/3818.pdf\" target=\"_blank\"\u003eDownload\u003c\/a\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\u003eTitration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e0.0-10.0 mg\/L\u003cbr\u003e 0.0-50.0 mg\/L\u003cbr\u003e 0-100 mg\/L\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\u003e0.1 mg\/L\u003cbr\u003e 0.5 mg\/L\u003cbr\u003e 1 mg\/L\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\u003ePhenolphthalein\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\u003eapprox. 110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e460 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e"}