HI720-11 – Calcium Hardness Checker® HC Calibration Check Set

TheCalcium Hardness Checker® HC Calibration Check Set – HI720-11 provides a simple solution to validating the Calcium Hardness Checker^® HC – HI720. 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 Checker^®HC.

• Supplied with Certificate of Analysis
• Standard value of 75 +/- 5 ppm nitrite @ 25^°C
• Reusable with long shelf life stability