The HI97728-11 Nitrate CAL Check™ standards provide a simple solution to calibrating and validating the HI97728 Nitrate Portable Photometer that has a 0.0 to 30.0 mg/L (ppm) range of nitrate-nitrogen. 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 HI97728 photometer.
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HI97728-11 is a high quality set of calibration standards that allows users to validate and calibrate the HI97728 Nitrate Photometer that has a 0.0 to 30.0 mg/L (ppm) nitrate-nitrogen range. The HI97728-11 includes one sealed “A” cuvette for zeroing the meter and one “B” cuvette that is used to validate or calibrate. The expected reading from the “B” standard is 15.0 ±1.0 mg/L nitrate-nitrogen @ 25℃. The calibration set is produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.
Supplied with Certificate of Analysis
Provided storage containers
Validation and calibration of the HI97728 Nitrate Portable Photometer is quick and easy with the HI97728-11 CAL Check™ Standards.
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