Not known Factual Statements About chemical oxygen demand test
Every single of these oxidants is utilized to calculate COD in different types of drinking water: CODMn (COD Manganese) is used in determinations for marginally contaminated bodies of h2o. In distinction, CODCr (COD Chrome) is used in determinations of closely contaminated h2o or wastewater due to the superior oxidizing power on the reagent [fifty