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phenomena > natural phenomena > pollution > pollutant load > chemical oxygen demand

Preferred term

Created: 1988-03-11T00:00:00Z

Notation: 25336

chemical oxygen demand  

Definition

  • Information Chemical oxygen demand (COD) is defined as the amount of a specified oxidant that reacts with the sample under controlled conditions. The quantity of oxidant consumed is expressed in terms of its oxygen equivalence.

    Source: https://www.standardmethods.org/doi/10.2105/SMWW.2882.103

    Created: 7/14/21

     (en)
  • Information Su veya atıksu örneği içerisindeki inert ve organik maddelerin asidik koşullarda yükseltgenmesi için gerekli olan yükseltgeyici madde miktarı.

    Source: http://terim.tuba.gov.tr/

    Created: 5/17/23

     (tr)
  • Information Кількість кисню, яка потрібна для окислення всього органічного матеріалу (біологічно доступний, інертний органічний матеріал) із утворенням діоксиду вуглецю, води або неорганічної речовини, що піддається окисленню.

    Created: 2/24/23

     (uk)

Broader concept

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Entry terms

  • Information

    Created: 1989-03-17T00:00:00Z

    Last modified: 2015-03-11T22:10:10Z

    Notation: 25584

    COD (chemical oxygen demand) (en)

Scope note

  • Chemical oxygen demand is often used as a measurement of pollutants in wastewater and natural waters. (en)

In other languages

URI

http://aims.fao.org/aos/agrovoc/c_15de0183

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RDF/XML TURTLE JSON-LD Created 7/13/21, last modified 2/8/24