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网页What is Chemical Oxygen Demand (COD)? Chemical oxygen demand (COD) is the amount of dissolved oxygen that must be present in water to oxidize chemical organic materials, like petroleum. COD is used to gauge the short-term impact wastewater effluents will have on the oxygen levels of receiving waters.
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网页wholesales economical 10mL chemical oxygen demand vials for Oxygen Demand, Chemical. Oxygen Demand, Chemical DOC316.53.0 USEPA1 Reactor Digestion Method2 Method 8000 3 to 150 mg/L Oxygen Demand, Chemical DOC316.53.0 USEPA1 Reactor Digestion Method2 Method 8000 3 to 150 mg/L
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网页For determination of Chemical Oxygen Demand (COD) by the Reactor Digestion Method, using TNTplus vials. Hach Method 8000. Range: 20-1500 Hach Method 8000. Range: 20-1500
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网页After these measurements, 1.5 mL portions of the sample and the soluble fraction of samples were placed in small screw-cap plastic vials and frozen with liquid N2. The remainder of the samples were stored in 500 mL glass bottles with screw caps at
