A COD test typically involves digestion of a water sample in a sealed vial with potassium dichromate and sulfuric acid at 150oC for 2 hours. Why test for COD?
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The closed reflux methods (C and D) are more economical in the use of metallic salt reagents and generate smaller quantities of hazardous waste, but require
For 250–15,000 mg/L vials: Use a TenSette Pipet to add. 0.20 mL of sample to the vial. 2. Oxygen Demand, Chemical, Dichromate Method (multi-range: 40.0, 150,
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