Nitrate CAL Check™ Standards - HI97728-11
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.
- Supplied with Certificate of Analysis
- Standard value of 15 ±0.050 mg/L (ppm) nitrate-nitrogen @ 25°C
- Reusable with long shelf life stability