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Chemical Oxygen Demand (COD) Testing Kits | CHEMetrics 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? Products in COD Vials, Vials on Thomas Scientific For determination of low range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000. Sample Vials and Accessories – Waters Corporation All Waters Certified...

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Dissolved Oxygen and Biochemical Oxygen Demand Analyses Fill two BOD bottles completely full of BOD dilution water, being very careful not to introduce air into either bottle. 2. Analyze one bottle for D.O. using the  Method 410.4, Revision 2.0: The Determination of Chemical Oxygen This method covers the determination of chemical oxygen demand (COD) in Laboratory Fortified Sample Matrix (LFM) — An aliquot of an environmental. OXYGEN DEMAND, CHEMICAL – JMU Canvas Note: See DRB 20...