Details
 
The Calcium 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.
 
Features
 
Supplied with Certificate of Analysis
Standard value of 75 +/- 5 ppm calcium @ 25°C
Reusable with long shelf life stability
 
More Information
 
HI720-11 is a high-quality set of calibration standards that allows users to validate the Calcium Hardness Checker® HC - HI720. The HI720-11 includes one sealed cuvette for zero ppm CaCO3 and one cuvette that is tinted to an equivalent 1.50 ± 0.25 ppm CaCO3 sample @ 25oC. The calibration check set is produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.