COD is a non-specific test that measures the quantity of both bio-degradable and non-biodegradable organic matter and is reported as "ppm as oxygen". The test measures the ability of a hot chromic acid solution to oxidize organic matter.
COD is a non-specific test that measures the quantity of both bio-degradable and non-biodegradable organic matter and is reported as "ppm as oxygen". The test measures the ability of a hot chromic acid solution to oxidize organic matter.
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