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... > Science Keywords > EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > WATER CHARACTERISTICS > ALKALINITY

Preferred term

ALKALINITY  

Definition

  • Refers to the capability of water to neutralize acid. This is really an expression of buffering capacity. A buffer is a solution to which an acid can be added without changing the concentration of available H+ ions (without changing the pH) appreciably. (en)

Broader concept

Change note

  • 2018-03-07 08:23:59.0 [tstevens] Move Concepts delete broader relation (null); add broader relation (ALKALINITY [a74059fe-6b15-4b55-8ea5-4a65b66c7e11,86125] - WATER CHARACTERISTICS [f7e97dc3-1181-41b5-8b90-946eb2504110,310633]);
  • 2018-03-07 13:18:25.0 [tstevens] update Definition (Refers to the capability of water to neutralize acid. This is really an expression of buffering capacity. A buffer is a solution to which an acid can be added without changing the concentration of available H+ ions (without changing the pH) appreciably.); update Definition (Water Research Center);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/a74059fe-6b15-4b55-8ea5-4a65b66c7e11

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