GEMET

Suche im Vokabular

Sprache der Inhalte

Angaben zum Begriff

physicochemical process > osmosis

Bevorzugte Bezeichnung

osmosis  

Definition

  • The passage of a solvent through a semipermeable membrane separating two solutions of different concentrations. A semipermeable membrane is one through which the molecules of a solvent can pass but the molecules of most solutes cannot. There is a thermodynamic tendency for solutions separated by such a membrane to become equal in concentration, the water (or other solvent) flowing from the weaker to the stronger solution. Osmosis will stop when the two solutions reach equal concentration, and can also be stopped by applying a pressure to the liquid on the stronger-solution side of the membrane. The pressure required to stop the flow from a pure solvent into a solution is a characteristic of the solution, and is called the osmotic pressure. Osmotic pressure depends only on the concentration of particles in the solution, not on their nature.

Oberbegriff

Unterbegriffe

Gehört zur Gruppe

Gehört zu Array

In anderen Sprachen

URI

http://www.eionet.europa.eu/gemet/concept/5949

Herunterladen des Begriffs im SKOS-Format:

RDF/XML TURTLE JSON-LD Erstellt 08.09.04, Geändert am 08.09.04