Question

Determination of chemical oxygen demand (cod) in a water sample formula

Answer 1

The Chemical Oxygen Demand (COD) method determines the quantity of oxygen required to oxidize the organic matter in a waste sample, under specific conditions of oxidizing agent, temperature, and time. ... Use of plastic containers is permissible if it is known that no organic contaminants are present in the containers.

if you are satisfy with my ans then mark me as a brainlist

if there is something wrong then kindly rectify it