5 Simple Statements About COD test in pharma Explained
Within the existence of sulfuric acid, silver sulphate, and mercury sulphate, potassium dichromate oxidises the natural make any difference contained during the h2o sample to make carbon dioxide (CO2) and h2o (H2O). The quantity of potassium dichromate utilised is decided by comparing the volumes of ferrous ammonium sulphate eaten during blank and