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Determination of Chemical Oxygen Demand (COD)-A Complete Procedure (Dichromate Mercury Free Method)
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What is Chemical oxygen demand | analysis of high [COD] sample | Dilution method
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COD (Chemical oxygen demand) - Indicator for water pollution
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BOD (biological oxygen demand) - The water quality indicator
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Role of chemicals used in COD analysis | Chemical Oxygen Demand | @ETPKnowledgeJunction
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