{"product_id":"iron-calibration-standards-checking-set-hanna-instruments-hi721-11","title":"Iron Calibration Standards Checking Set, Hanna Instruments, HI721-11","description":"\u003cdiv\u003e \u003c\/div\u003e \u003cp\u003eHI 721-11 is a high quality calibration checking set for the validation of the Checker®HC Iron Colorimeter (\u003cspan\u003e\u003cspan style=\"text-decoration:\" underline color:\u003e90-2619-05\u003c\/span\u003e).  The set consists of two cuvettes—a zero ppm cuvette and a cuvette that is tinted to an equivalent of  1.00 ± 0.06 ppm iron @ 25 °C.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eStandard value of 1.00 ± 0.06 ppm iron @ 25 °C\u003c\/li\u003e \u003cli\u003eReusable with long shelf life stability\u003c\/li\u003e \u003cli\u003eSupplied with Certificate of Analysis including lot number, reference values, and expiration date for traceability\u003c\/li\u003e \u003cli\u003ePrepared from reagent grade chemicals in a temperature controlled environment\u003c\/li\u003e \u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51110859637051,"sku":"90-2619-75-EA","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2619-75_084ff384-158e-4933-8145-664680f5047f.png?v=1785307522","url":"https:\/\/preiser.com\/products\/iron-calibration-standards-checking-set-hanna-instruments-hi721-11","provider":"Preiser Scientific","version":"1.0","type":"link"}