HI719-11 is a high-quality set of calibration standards that allows users to validate the Magnesium Hardness Checker®HC – HI719 . The HI719-11 includes one sealed cuvette for zero ppm CaCO3 and one cuvette that is tinted to an equivalent 1.00 ± 0.20 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.
The HI719-11 is supplied with Certificate of Analysis
- Product code
- Lot number
- Expiration date