{"product_id":"macherey-nagel-potassium-iodide-starch-paper-mn-816-n-5","title":"Macherey-Nagel Potassium Iodide Starch Paper MN 816 N - 5 Meter Roll","description":"\u003cp\u003eMacherey-Nagel potassium iodide starch paper is a specialized filter paper impregnated with potassium iodide and starch for chemical testing. When nitrite or free chlorine is present, the paper changes colour from white to blue-violet, making it ideal for laboratory and analytical applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDetects nitrite and free chlorine through colour change reaction\u003c\/li\u003e\n\u003cli\u003eStandard grade (MN 816 N) with balanced absorption properties\u003c\/li\u003e\n\u003cli\u003eSensitivity limit of 1 mg\/l for both nitrite and free chlorine\u003c\/li\u003e\n\u003cli\u003eSupplied as a 5-metre roll for multiple tests\u003c\/li\u003e\n\u003cli\u003eCan be used by dipping or as a spot test with solution drops\u003c\/li\u003e\n\u003cli\u003eRecommended for end-point detection during diazotations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eDip the paper into the solution to be tested, or apply drops of the solution directly to the paper. A colour change from white to blue-violet indicates the presence of nitrite or free chlorine.\u003c\/p\u003e\n\u003ch2\u003eWho Is It For\u003c\/h2\u003e\u003cp\u003eThis product is designed for laboratory technicians, chemists and analytical professionals who need to detect nitrite and free chlorine in solutions during chemical testing and quality control procedures.\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMacherey-Nagel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003ePaper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e5 Meter Roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat colour change indicates a positive result?\u003c\/h3\u003e\u003cp\u003eThe paper changes from white to blue-violet when nitrite or free chlorine is detected.\u003c\/p\u003e\u003ch3\u003eWhat is the sensitivity limit of this paper?\u003c\/h3\u003e\u003cp\u003eThe limit of sensitivity is 1 mg\/l for nitrite and 1 mg\/l for free chlorine.\u003c\/p\u003e\u003ch3\u003eHow should I apply the solution to the paper?\u003c\/h3\u003e\u003cp\u003eYou can either dip the paper into the solution or apply drops of the solution directly onto the paper surface.\u003c\/p\u003e\u003ch3\u003eWhat is this paper used for?\u003c\/h3\u003e\u003cp\u003eIt is recommended for end-point detection during diazotations and general testing for organic substances.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What colour change indicates a positive result?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The paper changes from white to blue-violet when nitrite or free chlorine is detected.\"}}, {\"@type\": \"Question\", \"name\": \"What is the sensitivity limit of this paper?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The limit of sensitivity is 1 mg\/l for nitrite and 1 mg\/l for free chlorine.\"}}, {\"@type\": \"Question\", \"name\": \"How should I apply the solution to the paper?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"You can either dip the paper into the solution or apply drops of the solution directly onto the paper surface.\"}}, {\"@type\": \"Question\", \"name\": \"What is this paper used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is recommended for end-point detection during diazotations and general testing for organic substances.\"}}]}\u003c\/script\u003e","brand":"Macherey-Nagel","offers":[{"title":"Default Title","offer_id":67640432918782,"sku":"P-032676","price":62.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/3652\/0190\/files\/51NbzW6NaXL._SL1000.jpg?v=1791769442","url":"https:\/\/vitaminnorth.com\/products\/macherey-nagel-potassium-iodide-starch-paper-mn-816-n-5","provider":"VitaminNorth","version":"1.0","type":"link"}