Oxygen Demand

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/ˈɑksɪʤən dɪˈmænd/

Chemical oxygen demand ( COD ) is a synthetical indicator which represents the degree of organic pollution in water.
Discussion on Determination Method of the Chemical Oxygen Demand(OD) in Water and Waste Water
The standard Determination of the chemical oxygen demand is dichromate method, with the most widespread application.
But the body's cells continue functioning at a high metabolic rate, keeping oxygen demand high.
The biochemical oxygen demand was determined by the speedy testing method of microorganism sensor.

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