HI-97707-11 CAL CHECK™ STANDARDS FOR NITRITE LR, 0.0 AND 0.2 PPM

The HI-97707-11 Nitrite Low Range Cal Check standards provides a simple solution to calibrating and validating the HI-97707 Nitrite Low Range 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.