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网页Cod Test Vials at Thomas ScientificChemical Oxygen Demand (COD) by the Reactor Digestion Method, using TNTplus vials. Hach Method 8000. Range: 20-1500 mg/L COD.

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网页Chemical Oxygen Demand. Chemical Oxygen Demand (COD) is a measure of the biologically available and inert organic matter that is susceptible to oxidation by a strong oxidizing agent. The Hanna COD method is based on the well-established closed dichromate-reflux colorimetric method. The colorimetric measurement of COD is faster

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