{"product_id":"iron-high-range-reagents-100-tests-hanna-instruments-hi93721-01","title":"Iron High Range Reagents, 100 Tests, Hanna Instruments, HI93721-01","description":"\u003cp\u003e\u003cstrong\u003eHanna Instruments® Iron High Range Reagents, 100 Tests, HI93721-01\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAppearance: ivory powder\u003c\/li\u003e \u003cli\u003eCAS No.: \u003cul\u003e \u003cli\u003eSodium Metabisulfite: 7681-57-4\u003c\/li\u003e \u003cli\u003eSodium Dithionite: 7775-14-6\u003c\/li\u003e \u003cli\u003e1,10-Phenanthroline: 5144-89-8\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003ePowder reagent for colorimetric determination of high range iron with a compatible benchtop or portable photometer\u003c\/li\u003e \u003cli\u003eReagent follows adaptation of the USEPA method 315B (phenanthroline method) and Standard Method 3500-Fe B\u003c\/li\u003e \u003cli\u003eMethod requires reagent that contains both reducing and complexing agent which converts all but very most resistant forms of iron present in sample to ferrous (Fe\u003csup\u003e2+\u003c\/sup\u003e) or soluble state\u003c\/li\u003e \u003cli\u003eSample containing iron will turn an orange hue; the greater the concentration, deeper the color\u003c\/li\u003e \u003cli\u003eRange: 0.00 to 5.00 ppm iron\u003c\/li\u003e \u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"PK (1)","offer_id":51111053656379,"sku":"91-2804-24-PK","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/91-2804-24_6da5fae5-ec30-44a2-ad63-7ddf4e0a82cf.png?v=1784708313","url":"https:\/\/preiser.com\/products\/iron-high-range-reagents-100-tests-hanna-instruments-hi93721-01","provider":"Preiser Scientific","version":"1.0","type":"link"}