Reference standard kit: Chloride 0,5* and 2,0* mg/l for CheckitDirect

The reference standards are designed to check the accuracy and the reliability of the results. The shelf life of reference standards is two years from the date of production, provided that storage and use are in accordance with the instructions provided.
Applications: Water Treatment, Waste Water, Cooling/Boiler Water, Pool-Water, Beverage Industry, Laboratory and Field Testing.