The 2-Minute Rule for chemical oxygen demand test
Put together the reagent blank by eliminating the COD vial cap and pipetting deionized water instead of sample in to the vial. Concerning 95-a hundred% of all natural and organic materials could be oxidized by dichromate. Once dichromate oxidizes a compound It is really transformed to a trivalent sort of chromium, that is a dull green color.BOD a