Online CODcr COD Water Quality Analyzer Oxidation Spectrophotometric Method Monitor >>Overview Chemical Oxygen Demand (COD) refer...
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... spectrophotometric method. By adding a quantitative solution of to the specimen, in a strong sulphuric acid medium, with silv...
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...: concentrated sulfuric acid 22 g/l in 1-1.5 A/dm2 The dc is strong Under the degree of impregnation 10-15 min ,Again in saturated potassium dichro...
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... pollution. It refers to the amount of oxygen consumed by chemical oxidants (such as ) to oxidize and decompose reducing substa...
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... , PVC, nitrophosphate fertilizer, calcium magnesium phosphate, compound fertilizer food industry: Glucose, salt, granulated sugar, vitam...
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