all Hanna solutions are provided with a label showing the batch number and expiry date

and electrolyte balance

Simply open the sachet

The HI749 Checker HC measures this color intensity photometrically and displays the precise chromium VI concentration in ppb

When flow rates drop or dosing becomes inconsistent

Hanna HI731315 Glass Cuvettes for Checker HC - Replacement Set of 2 with Caps HI96804 all Hanna solutions are providedThe HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps. 10 ml level mark for adding correct volume. Test more samples and average your results for the best accuracy. Perfect for replacing scratched or discolored cuvettes. When using a colorimeter or photometer it is important to use clean