The Basic Principles Of chemical oxygen demand test
Just about every of such oxidants is used to calculate COD in differing types of h2o: CODMn (COD Manganese) is utilized in determinations for a little contaminated bodies of h2o. In distinction, CODCr (COD Chrome) is used in determinations of seriously contaminated drinking water or wastewater due to the large oxidizing power in the reagent [52, 62