5 Essential Elements For chemical oxygen demand test
Wipe the vials which has a moist towel to get rid of smudges and fingerprints through the vial and put them from the preheated digestor block.Chemical oxygen demand is really an index of pollution that steps the effect of pollutants on dissolved oxygen. Inside the COD test, an oxidant aside from O2 is accustomed to degrade the pollutants in the h2o