HI-97719-11 CAL CHECK STANDARDS FOR MAGNESIUM HARDNESS, 0.0 AND 1.00 PPM

The HI-97719-11 Magnesium Hardness Cal Check standards provides a simple solution to calibrating and validating the HI-97719 Magnesium Hardness Photometer. This high quality set of standards is supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date for traceability.