COD Vials

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Chemical Oxygen Demand (COD) Testing Kits | CHEMetrics 网页ASTM D 1252-00, Chemical Oxygen Demand (Dichromate Oxygen Demand) of Water, Test Method B. CHEMetrics’ leakproof reagent vials contain premeasured solutions of sulfuric acid and potassium dichromate. To perform the COD determination, the analyst simply removes the Teflon-lined screw cap from the vial, adds sample to the vial, and Australia chemical oxygen demand vials for sale supplier 网页Chemical oxygen demand (COD) relies on chemi...

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