Chemical Oxygen Demand. COD is defined as the amount of oxygen equivalents consumed in the chemical oxidation of organic matter by strong oxidant e.g Potassium Permanganate. This method is referred to as Closed Reflux Method.
The Hach DRB200 Dry Thermostat Reactor provides unique one-key operation. Programs for Hach procedures with digestion are preprogrammed into the instrument. And it’s fast—the block heats from 20 to 150°C in less than 10 minutes.