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HA-HI96728-11
The HI96728-11 Nitrate CAL Check™ standards provide a simple solution to calibrating and validating the HI96728 Nitrate Portable Photometer that has a 0.0 to 30.0 mg/L (ppm) range of nitrate-nitrogen. This high quality set of standards 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 HI96728 photometer.
Brand: Hanna
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