Hanna, HI720-11, Calcium Hardness Checker® HC Calibration Check Set
The Calcium Hardness Checker® HC Calibration Check Set - HI720-11 provides a simple solution to validating the Calcium Hardness Checker® HC - HI720. This 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 expiration date for traceability when certifying the Checker®HC.
Supplied with Certificate of Analysis
Standard value of 75 +/- 5 ppm nitrite
Catalog Number: HI720-11
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