{"product_id":"hanna-instruments-hi-721-11-cal-check-standard-for-iron-checker-0-00-and-1-00-ppm","title":"Hanna Instruments HI-721-11 Cal Check standard for Iron Checker 0.00 and 1.00 ppm","description":"\u003cp\u003eThe Iron Checker® HC Calibration Check Set – HI-721-11 provides a simple solution to validating the Iron Checker® HC – HI-721 that has a range of 0.00 to 5.00 ppm (mg\/L). This high-quality set of standards is supplied with a Certificate of Analysis. \u003c\/p\u003e\u003ch3\u003eThe HI-721-11 is a calibration checking set for the HI-721 Iron Checker\u003c\/h3\u003e \u003cp\u003eHanna optional Checker HC Calibration Sets provide a simple solution to validating your Checker HC. Each high quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a Certificate of Analysis. The certificate of Analysis provides the lot number, reference values and expiry date to provide traceability when certifying the Checker HC.\u003c\/p\u003e \u003cp\u003eHI-721-11 is a high-quality set of calibration standards that allows users to validate the Iron Checker® HC – HI-721.\u003c\/p\u003e \u003cp\u003eThe HI-721-11 includes one sealed cuvette for zero ppm iron and one single-use standard cuvette that becomes tinted to an equivalent 1.00 +\/- 0.06 ppm iron sample @ 25°C when the supplied reagent is added. The calibration check set is produced using reagent grade chemicals in a temperature controlled environment.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57640079425909,"sku":"HI-721-11","price":21.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/0-00-and-1-00-ppm-standards-iron.jpg?v=1791580733","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-721-11-cal-check-standard-for-iron-checker-0-00-and-1-00-ppm","provider":"Test All Water","version":"1.0","type":"link"}