{"id":1582127493,"title":"HANNA CTK Phenolphthalein and Total Alkalinity","handle":"hi38013","description":"\u003cp\u003eIn this case the phenolphthalein alkalinity is determined by neutralizing the sample to a pH of 8.3 using a dilute sulfuric acid solution and a phenolphthalein indicator. Since bicarbonate ions can be converted to carbonic acid with additional sulfuric acid. the phenolphthalein alkalinity measures total hydroxide ions. but only half of the carbonate contribution. \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003e HI 38013 test kit comes with 10 mL phenolphthalein indicator. 10 mL bromophenol blue indicator. 105 mL alkalinity reagent (2). 20 mL calibrated plastic vessel with cap and 1 mL syringe with tip.\u003c\/p\u003e\u003cdiv\u003e\u003cstrong\u003eProduct Manuals\u003c\/strong\u003e\u003c\/div\u003e\u003cp\u003e\u003cstrong\u003e\u003cimg width=\"20\" height=\"22\" align=\"absmiddle\" alt=\"\" src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\" border=\"0\" data-mce-src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\"\u003e  \u003c\/strong\u003eManual: \u003ca title=\"Download Product Manual\" href=\"http:\/\/www.hannainst.com\/manuals\/manHI_38013.pdf\" target=\"_blank\" data-mce-href=\"http:\/\/www.hannainst.com\/manuals\/manHI_38013.pdf\"\u003eDownload\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecification :\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003ctable class=\"spec_table mceItemTable\"\u003e\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 gpg\u003cbr\u003e 0.0-20.0 gpg\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 gpg\u003cbr\u003e 0.2 gpg\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\/Bromphenol blue\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\u003e200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e865 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cbr mce_bogus=\"1\"\u003e\u003c\/p\u003e","published_at":"2026-06-25T16:20:09+12:00","created_at":"2015-09-01T15:11:16+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Manufacturer_Hanna Instruments","Type_Chemical Test Kits"],"price":6450,"price_min":6450,"price_max":6450,"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":4857223941,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI38013","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA CTK Phenolphthalein and Total Alkalinity","public_title":null,"options":["Default Title"],"price":6450,"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_51e39a62696a7_2015.jpeg?v=1465536061"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e39a62696a7_2015.jpeg?v=1465536061","options":["Title"],"media":[{"alt":"CTK Phenolphthalein and Total Alkalinity - Acorn Scientific","id":21288157283,"position":1,"preview_image":{"aspect_ratio":1.0,"height":300,"width":300,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e39a62696a7_2015.jpeg?v=1465536061"},"aspect_ratio":1.0,"height":300,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e39a62696a7_2015.jpeg?v=1465536061","width":300}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eIn this case the phenolphthalein alkalinity is determined by neutralizing the sample to a pH of 8.3 using a dilute sulfuric acid solution and a phenolphthalein indicator. Since bicarbonate ions can be converted to carbonic acid with additional sulfuric acid. the phenolphthalein alkalinity measures total hydroxide ions. but only half of the carbonate contribution. \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003e HI 38013 test kit comes with 10 mL phenolphthalein indicator. 10 mL bromophenol blue indicator. 105 mL alkalinity reagent (2). 20 mL calibrated plastic vessel with cap and 1 mL syringe with tip.\u003c\/p\u003e\u003cdiv\u003e\u003cstrong\u003eProduct Manuals\u003c\/strong\u003e\u003c\/div\u003e\u003cp\u003e\u003cstrong\u003e\u003cimg width=\"20\" height=\"22\" align=\"absmiddle\" alt=\"\" src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\" border=\"0\" data-mce-src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\"\u003e  \u003c\/strong\u003eManual: \u003ca title=\"Download Product Manual\" href=\"http:\/\/www.hannainst.com\/manuals\/manHI_38013.pdf\" target=\"_blank\" data-mce-href=\"http:\/\/www.hannainst.com\/manuals\/manHI_38013.pdf\"\u003eDownload\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecification :\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\u003ctable class=\"spec_table mceItemTable\"\u003e\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 gpg\u003cbr\u003e 0.0-20.0 gpg\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 gpg\u003cbr\u003e 0.2 gpg\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\/Bromphenol blue\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\u003e200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e865 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cbr mce_bogus=\"1\"\u003e\u003c\/p\u003e"}