{"product_id":"hanna-instruments-hi-782-11-marine-high-range-nitrate-standards","title":"Hanna Instruments HI-782-11 Marine High Range Nitrate Standards","description":"\u003cp\u003eHanna optional Checker HC Calibration Sets provide a simple solution to validating your Checker HC.\u003c\/p\u003e\u003cp\u003eEach 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 \u003ch3\u003eStandard value ppm = 0.0 to 34.5±3.8.\u003c\/h3\u003e \u003cp\u003eHanna Instruments certifies these standards meet the stated tolerance limits as indicated. These should be used for quality control to validate the HI-782 Nitrate High Range Marine Checker.\u003c\/p\u003e \u003cp\u003e1. Thoroughly wipe the standard cuvette with a lint free cloth (HI-731318 recommended) and only handle using top of cuvette. The cuvette wall must by dry and free of smudges.\u003c\/p\u003e \u003cp\u003e2. At the C1 prompt, place HI-782-11A standard cuvette into the holder of the Checker and press operations button.\u003c\/p\u003e \u003cp\u003e3. At the C2 prompt, place HI-782-11B standard cuvette into the holder and press the operations button.\u003c\/p\u003e \u003cp\u003e4. Acceptable results must be between 31.2 ppm and 38.8 ppm at 25˚C.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57640088830325,"sku":"HI-782-11","price":21.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/hi-782-11-marine-hr-nitrate-standards.jpg?v=1791580980","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-782-11-marine-high-range-nitrate-standards","provider":"Test All Water","version":"1.0","type":"link"}