The HI97746-11 Iron Low Range CAL Check™ Standards provide a simple solution to calibrating and validating compatible portable photometers. 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 compatible iron photometers.
- Supplied with Certificate of Analysis
- Standard value of 0.80 ±0.07 mg/L iron @ 25℃
- Reusable with long shelf life stability









