COD is the preferred alternative test to BOD for setting up the concentration of organic and natural make any difference in wastewater samples.This oxidation is catalyzed by silver sulfate. The catalyst is required, In particular to oxidize very low molecular pounds fatty acids. The oxidation via the acidified dichromate could be represented by the
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Preparative LC procedures include accumulating fractionated eluent into discrete sample containers to isolate one or more analytes so as to purify primary factors or isolate impurities for more investigations.These HPLC techniques have two pumps with two unbiased solvent paths, two dosing units Within the autosampler, and two detectors, but maint