chemical oxygen demand Can Be Fun For Anyone
Wipe the vials having a damp towel to get rid of smudges and fingerprints from your vial and spot them within the preheated digestor block.Chemical oxygen demand is undoubtedly an index of pollution that actions the effect of pollutants on dissolved oxygen. During the COD test, an oxidant apart from O2 is accustomed to degrade the pollutants from t