5 Simple Statements About chemical oxygen demand Explained
Within the existence of sulfuric acid, silver sulphate, and mercury sulphate, potassium dichromate oxidises the organic make any difference contained in the drinking water sample to provide carbon dioxide (CO2) and h2o (H2O). The level of potassium dichromate utilised is set by comparing the volumes of ferrous ammonium sulphate eaten for the durati