HI772-11 is a high-quality set of calibration standards that allows users to validate the Marine Alkalinity Checker^® HC - HI772. The HI772-11 includes one sealed cuvette for zero dKH and one cuvette that is tinted to an equivalent 100 +/- 10 ppm CaCO₃ dKH sample @ 25^°C. The calibration check set is produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.

The HI772-11 is supplied with Certificate of Analysis

• Product code

• Lot number

• Expiration date