Hanna Ammonia Medium Range CAL Check Standards for HI97715 Water Cartridge Picture a busy lab period:

Picture a busy lab period: students rotating through stations

By simply adding the packet of HI774-25 reagent to the sample

The non-oxidizing graphite pins are able to provide an optimal surface for accurate

Range: 0 - 80 degrees Celsius

and scale-free with the NuvoH2O RV System Replacement Cartridge (SKU: 711357)

Hanna Ammonia Medium Range CAL Check Standards for HI97715 Water Cartridge Picture a busy lab period:The HI97715 11 Ammonia Medium Range CAL CheckTM Standards provides a simple solution to calibrating and validating the HI97715 ammonia medium range photometer. 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 HI97715 photometer. Supplied with