Analysis of physical water quality (pH, temperature, and oxygen, all of which want to use organic compounds to the water oxidation in carbon dioxide and water: COD)
Physical analysis of water quality (pH, temperature and the amount of oxygen required for the oxidation of the organic matter in the water to form carbon dioxide and water: COD).
Water quality analysis, physical (pH, temperature, and the oxygen content, all want to use to oxidation organic matter in water into carbon dioxide and water. : COD).