Question

Why is saffranin added in boichemical oxyegen demand expt?

Answer 1

Explanation:

As BOD is only a measurement of consumed oxygen by aquatic microorganisms to decompose or oxidize organic matter and COD refers the requirement of dissolved oxygen for both the oxidation of organic and inorganic constituents. COD levels in waste streams are always higher than BOD.

Answer 2

Explanation:

it is only A measurement of consumed oxygen by the lack of carbohydrates