{"product_id":"macherey-nagel-90757-potassium-iodide-starch-paper-mn-260-he-highly-sensitive-paper-box-of-200-strips","title":"Macherey-Nagel, 90757, Potassium Iodide Starch Paper Mn 260 He Highly Sensitive Paper, Box of 200 Strips","description":"\u003ch3\u003eMacherey-Nagel, 90757, Potassium Iodide Starch Paper Mn 260 He Highly Sensitive Paper, Box of 200 Strips\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThis is a filter paper impregnated with potassium iodide (KI) and starch for\nthe detection of nitrite and free chlorine. Nitrite or free chlorine oxidize\npotassium iodide to form elemental iodine which reacts with the starch in\nknown manner.Colour reaction: white « blue-violetPotassium iodide starch paper\nmay be used by dipping it into the solution to be tested. More often, however,\nit is used in the manner of a spot test by applying drops of the solution to\nthe paper. Depending on the type of application, we supply three grades\ndiffering in absorption properties and paper surface:MN 816 N standard grade\nCat. No. 90754MN 260 HE high sensitivity grade Cat. No. 90757 MN 616 T\nrecommended for spot tests Cat. No. 90758 Limit of sensitivity: 1 mg\/l\nnitrite, 1 mg\/l free chlorine Recommended application: end point detection\nduring diazotations (for this reason, potassium iodide starch paper is\nsometimes called \"Diazonium paper\"); general test for organic substances\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n  \u003cul class=\"a\"\u003e\n         \u003cli\u003ePotassium Iodide Starch Paper Mn 260 He Highly Sensitive Paper, Box Of 200 Strips\u003c\/li\u003e\n  \u003c\/ul\u003e","brand":"MACHEREY-NAGEL","offers":[{"title":"Default Title","offer_id":45080543625367,"sku":"B00S1UQ2C6","price":161.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0461\/8380\/9175\/files\/B00S1UQ2C6.jpg?v=1775755349","url":"https:\/\/newnestshop.com\/products\/macherey-nagel-90757-potassium-iodide-starch-paper-mn-260-he-highly-sensitive-paper-box-of-200-strips","provider":"NewNest Australia","version":"1.0","type":"link"}