Hanna Instruments-749-11 Calibration Check Set for the Hanna Instruments-749 Chromium Low Range CheckerÂ®HC
Hanna Instruments-749-11 is a high-quality set of calibration standards that allows users to validate the Chromium VI Low Range CheckerÂ®HC â€“ Hanna Instruments-749. The Hanna Instruments-749-11 includes one sealed cuvette for zero ppb chromium VI and one cuvette that is tinted to an equivalent 100 +/- 5 ppb chromium VI sample @ 25Â°C. The calibration check set is produced using reagent grade chemicals in a temperature controlled environment.
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