The smart Trick of chemical oxygen demand test That No One is Discussing
Prepare the reagent blank by removing the COD vial cap and pipetting deionized drinking water instead of sample in the vial.Chemical Oxygen Demand (COD) is defined as the quantity of oxygen equivalents eaten inside the chemical oxidation of natural and organic matter by potent oxidant (e.g., potassium dichromate). The COD benefit suggests the amoun