{"id":1582170501,"title":"HANNA HI 3850 Ascorbic Acid Test Kit","handle":"hi3850","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv id=\"Product-Body\"\u003e\n\u003cp\u003e\u003cspan id=\"s7y714_3\" class=\"s7y714\"\u003eAscorbic acid\u003c\/span\u003e (C\u003csub\u003e6\u003c\/sub\u003eH\u003csub\u003e8\u003c\/sub\u003eO\u003csub\u003e6\u003c\/sub\u003e) undergoes an oxidation reaction with potassium iodate in acidic condition.\u003c\/p\u003e\n\u003cp\u003eThe endpoint is indicated by the reaction of iodine with starch suspension. which produces a blue-black product. As long as ascorbic acid is present. the triiodide is quickly converted to iodide ion. and no blue-black iodine-starch product is observed. However. when all the ascorbic acid has been oxidized. the excess triiodide (in equilibrium with iodine) reacts with starch to form the expected blue-black color.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003eHI 3850 test kit comes with 100 mL ascorbic acid reagent A. 25 mL starch indicator. 100 mL ascorbic acid reagent C. 50 mL calibrated plastic vessels (2). 3 mL plastic pipette. 1 mL plastic pipette (2) and graduated \u003cspan id=\"s7y714_1\" class=\"s7y714\"\u003eplastic test tube\u003c\/span\u003e with cap.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"TabbedPanels1\" class=\"TabbedPanels\"\u003e\n\u003cdiv class=\"TabbedPanelsContentGroup\"\u003e\n\u003cdiv class=\"TabbedPanelsContent TabbedPanelsContentVisible\"\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\u003e10-200 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\u003e10 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\u003eIodometric\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. 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\u003e519 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2026-06-25T16:09:51+12:00","created_at":"2015-09-01T15:16:19+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Manufacturer_Hanna Instruments","Type_Chemical Test Kits"],"price":15750,"price_min":15750,"price_max":15750,"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":4857303621,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI3850","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA HI 3850 Ascorbic Acid Test Kit","public_title":null,"options":["Default Title"],"price":15750,"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\/HI3850_200_2015.jpeg?v=1465536747"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/HI3850_200_2015.jpeg?v=1465536747","options":["Title"],"media":[{"alt":"HI 3850 Ascorbic Acid Test Kit - Acorn Scientific","id":21301395555,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/HI3850_200_2015.jpeg?v=1465536747"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/HI3850_200_2015.jpeg?v=1465536747","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv id=\"Product-Body\"\u003e\n\u003cp\u003e\u003cspan id=\"s7y714_3\" class=\"s7y714\"\u003eAscorbic acid\u003c\/span\u003e (C\u003csub\u003e6\u003c\/sub\u003eH\u003csub\u003e8\u003c\/sub\u003eO\u003csub\u003e6\u003c\/sub\u003e) undergoes an oxidation reaction with potassium iodate in acidic condition.\u003c\/p\u003e\n\u003cp\u003eThe endpoint is indicated by the reaction of iodine with starch suspension. which produces a blue-black product. As long as ascorbic acid is present. the triiodide is quickly converted to iodide ion. and no blue-black iodine-starch product is observed. However. when all the ascorbic acid has been oxidized. the excess triiodide (in equilibrium with iodine) reacts with starch to form the expected blue-black color.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003eHI 3850 test kit comes with 100 mL ascorbic acid reagent A. 25 mL starch indicator. 100 mL ascorbic acid reagent C. 50 mL calibrated plastic vessels (2). 3 mL plastic pipette. 1 mL plastic pipette (2) and graduated \u003cspan id=\"s7y714_1\" class=\"s7y714\"\u003eplastic test tube\u003c\/span\u003e with cap.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"TabbedPanels1\" class=\"TabbedPanels\"\u003e\n\u003cdiv class=\"TabbedPanelsContentGroup\"\u003e\n\u003cdiv class=\"TabbedPanelsContent TabbedPanelsContentVisible\"\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\u003e10-200 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\u003e10 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\u003eIodometric\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. 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\u003e519 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e"}