HANNA INSTRUMENTS HI721-11 Iron Standard Solutions at 0 and 1mg/L (HI721-11)

The HI721-11 from Hanna Instruments allows the HC Fer Checker HC calibration check.
This calibration check kit provides a simple solution to validate the HI721 Iron HC tester over a range of 0.0 to 5.00 ppm (mg/L).
The HI721-11 includes a sealed cuvette for zero ppm iron and a cuvette that is dyed to an equivalent sample of 1.00 x 0.06 ppm iron at 25°C.
This high quality standard set is manufactured in our state-of-the-art facility and comes with a certificate of analysis.
The Certificate of Analysis provides the lot number, reference values and expiration date for traceability when certifying the HC Checker agent.