5 Simple Statements About COD test in pharma Explained
While in the presence of sulfuric acid, silver sulphate, and mercury sulphate, potassium dichromate oxidises the organic make a difference contained in the h2o sample to produce carbon dioxide (CO2) and water (H2O). The amount of potassium dichromate utilised is set by comparing the volumes of ferrous ammonium sulphate eaten in the course of blank