chemical oxygen demand

chemical oxygen demand
The amount of chemical oxidation required to convert organic matter in water and wastewater to CO2.

Microbiology. . 2009.

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  • Chemical oxygen demand — In environmental chemistry, the chemical oxygen demand (COD) test is commonly used to indirectly measure the amount of organic compounds in water. Most applications of COD determine the amount of organic pollutants found in surface water (e.g.… …   Wikipedia

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  • chemical oxygen demand —    (COD)    The measure of readily available oxidizable material contained in a water sample [16] …   Lexicon of Cave and Karst Terminology

  • Biochemical oxygen demand — or Biological Oxygen Demand (BOD) is a chemical procedure for determining how fast biological organisms use up oxygen in a body of water. It is used in water quality management and assessment, ecology and environmental science. BOD is not an… …   Wikipedia

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  • chemical industry — Introduction       complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives.       Although the chemical industry may be described simply as the industry that uses chemistry and… …   Universalium

  • chemical compound — Introduction  any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element).       All the matter in the universe is composed of the atoms of more than 100 different chemical elements …   Universalium

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