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.
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COD is a defined test; the extent of sample oxidation can be affected by digestion time, reagent strength, and sample COD concentration.
BDH COD Vials used in determination of Chemical Oxygen Demand (COD)Determine the and chemicals in the environment, whether by air, water, or soil sampling.
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For determination of low range Chemical Oxygen Demand (COD) by the Reactor Digestion method. US EPA approved for wastewater analysis using Hach Method 8000.
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Hach's COD Digestion Vials (High Range) are used for determination of high range Chemical Oxygen Demand (COD) by the Reactor Digestion method.
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CHEMetrics, Inc., manufactures a quality, cost-effective line of reagent vials for performing Chemical Oxygen Demand (COD) analysis. Both USEPA-Approved and
