TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

LIQUID STATIONARY PHASE [1 record]

Record 1 2002-03-21

English

Subject field(s)
  • Analytical Chemistry
  • Biotechnology
DEF

A liquid which is relatively nonvolatile at the column temperature and is sorbed on the solid support (employed in gas-liquid and liquid-liquid chromatography) where it acts as a solvent for the sample. The separation achieved differs with differences in solutility of the various components of the sample in the liquid phase.

OBS

Thin-film liquid stationary phases can be prepared for separation by liquid-liquid partition chromatography. The film, commonly water, is supported on materials such as silica gel or diatomaceous earth, as in column chromatography. Either silica gel or diatomaceous earth may be silanized to convert the surfaces to nonpolar methyl groups for reversed-phase thin-layer chromatography.

PHR

Nonpolar, polar liquid phase.

French

Domaine(s)
  • Chimie analytique
  • Biotechnologie
DEF

En chromatographie gazeuse, liquide dont la tension de vapeur est relativement basse à la température de la colonne, qui est adsorbé sur le support solide et qui joue le rôle de solvant vis-à-vis de l'échantillon. La séparation repose sur la différence de solubilité des différents constituants de l'échantillon dans la phase liquide.

Spanish

Campo(s) temático(s)
  • Química analítica
  • Biotecnología
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