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.

Product code
Lot number
Expiration date

| Package | cuvette |
|---|---|
| Quantity | 1 set |
| Certificate of Analysis | Yes |
Malaysia