Hanna Checker Nitrite LR Calibration Check Set for HI-707

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HI-707-11 Nitrite LR Checker (0-999ppb) Calibration Standard Hanna 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. The HI-707-11 includes one sealed cuvette for zero ppb nitrite and one cuvette that is tinted to an equivalent 100 +/- 10 ppb nitrite sample @ 25°C. The calibration check set is produced using reagent grade chemicals in a temperature controlled environment.