{"id":1582109125,"title":"HANNA HI 3820 CTK Acidity","handle":"hi3820","description":"\u003cp\u003eWith the use of diluted sodium hydroxide as the titrant and bromphenol blue or phenolphthalein indicators. the contribution of strong or organic acids can be determined. The measurement of the strong acid contribution to the sample acidity is known as methyl orange acidity. This is carried out by titrating with sodium hydroxide until the solution turns from yellow to green\/blue (pH endpoint about 4.5). The total acidity caused by both mineral and organic acids is determined by titrating to an endpoint pH of 8.3. using phenolphthalein as an indicator. This is known as phenolphthalein inacidity.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003e HI 3820 test kit comes with 10 mL dechlorinating reagent. bromophenol blue indicator. phenolpthalein indicator. acidity titrant. 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\/manHI_3820.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\u003e0-100 mg\/L\u003cbr\u003e 0-500 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\u003e1 mg\/L\u003cbr\u003e 5 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\u003eMethyl-orange\/Phenolphthalein\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\u003e910 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":"2015-09-01T15:08:50+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Manufacturer_Hanna Instruments","Type_Chemical Test Kits"],"price":10000,"price_min":10000,"price_max":10000,"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":4857184069,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI3820","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA HI 3820 CTK Acidity","public_title":null,"options":["Default Title"],"price":10000,"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_51e05ec0f2e64_2015.jpeg?v=1465536698"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e05ec0f2e64_2015.jpeg?v=1465536698","options":["Title"],"media":[{"alt":"HI 3820 CTK Acidity - Acorn Scientific","id":21280522339,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e05ec0f2e64_2015.jpeg?v=1465536698"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/31gluhj8kul__sl500_aa300_51e05ec0f2e64_2015.jpeg?v=1465536698","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eWith the use of diluted sodium hydroxide as the titrant and bromphenol blue or phenolphthalein indicators. the contribution of strong or organic acids can be determined. The measurement of the strong acid contribution to the sample acidity is known as methyl orange acidity. This is carried out by titrating with sodium hydroxide until the solution turns from yellow to green\/blue (pH endpoint about 4.5). The total acidity caused by both mineral and organic acids is determined by titrating to an endpoint pH of 8.3. using phenolphthalein as an indicator. This is known as phenolphthalein inacidity.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003e HI 3820 test kit comes with 10 mL dechlorinating reagent. bromophenol blue indicator. phenolpthalein indicator. acidity titrant. 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\/manHI_3820.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\u003e0-100 mg\/L\u003cbr\u003e 0-500 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\u003e1 mg\/L\u003cbr\u003e 5 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\u003eMethyl-orange\/Phenolphthalein\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\u003e910 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e"}