The Chromium Low-Range Checker® HC Calibration Check Set – HI749-11 provides a simple solution to validating the Fluoride High Range Checker® HC – HI749 that has a range of 0 to 300 ppb chromium VI. 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.
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