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COD (Chemical Oxygen Demand)

COD (Chemical Oxygen Demand)

COD (Chemical Oxygen Demand)

Chemical Oxygen Demand (COD) refers to the amount of oxygen (O) required to oxidize oxidizable substances in water under certain conditions, expressed in mg/L. Generally, COD is used as an indicator of water pollution caused by organic substances. It is measured as a comprehensive indicator of pollution in closed water bodies such as ports (marine areas) and lakes, as well as a water quality management parameter for effluents such as industrial wastewater.

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