COD Test – Test for Chemical Oxygen Demand In Wastewater
COD Test (Chemical Oxygen Demand test) is a water quality test. It is used to determine the amount of oxygen required to chemically oxidize the organic and inorganic pollutants present in a water sample. It is based on oxidation of pollutants by a strong chemical oxidant. Generally potassium dichromate (K2Cr2O7) is used in heated and … Read more