Cod Digestion Apparatus

COD Digestion Apparatus are used for determining Chemical Oxygen Demand in effluents like waste water, industrial water, sewage water which are discarded after processing. This help in understanding the real time presence of chemicals/gas in natural water bodies. COD measures how much DO is consumed by the oxidation of organic matter and inorganic compounds such as ammonia or nitrite under controlled conditions. COD testing typically involves digestion of the water sample in a sealed vial with potassium dichromate and sulfuric acid at 150C for 2 hours.