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... > Science Keywords > EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > CONTAMINANTS > TRACE METALS

Preferred term

TRACE METALS  

Definition

  • Metals in extremely small quantities, almost at the molecular level, that reside in or are present in animal and plant cells and tissue. (en)

Broader concept

Change note

  • 2018-03-07 08:52:24.0 [tstevens] Move Concepts delete broader relation (null); add broader relation (TRACE METALS [f2d6aa01-5070-4147-bae1-4b2cad2c3987,86265] - CONTAMINANTS [42c6d91b-afef-4638-95c5-0d130828b2e7,84623]);
  • 2018-03-07 09:39:39.0 [tstevens] update Definition (Trace metals are metals in extremely small quantities, almost at the molecular level, that reside in or are present in animal and plant cells and tissue.); update Definition (Environmental Protection Agency );
  • 2018-03-07 09:59:48.0 [tstevens] update Definition (Metals in extremely small quantities, almost at the molecular level, that reside in or are present in animal and plant cells and tissue.);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/f2d6aa01-5070-4147-bae1-4b2cad2c3987

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