Chemical oxygen demand


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Terms & Synonyms

Official WHO Definition

Test of the reducing power of a specimen of natural or waste water by measuring the amount of oxygen chemically released by a normalized potassium dichromate solution to reducing bodies in the specimen under specific laboratory conditions (United Nations 1992).See COD

Other Definitions


Interpretations and Explanations


Environment and development, United Nations Terminology Bulletin, 1992:344 (1)

WHO Lexicon page (translations and examples)

See also

External Resources


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