TERMIUM Plus®

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POROUS STATIONARY PHASE [4 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2017-02-15

English

Subject field(s)
  • Analytical Chemistry
DEF

Partition chromatography in which the stationary phase is an organic extractant applied on a porous, hydrophobic support, and the mobile phase is a suitable aqueous solution(acid, base, or salt).

PHR

Supercritical fluid extraction chromatography.

French

Domaine(s)
  • Chimie analytique
CONT

La chromatographie d’extraction combine les avantages de l’échange d’ions et de l’extraction par solvants dont elle conserve le principe. L’agent extractant est fixé sur un support inerte, une poudre de Téflon ou de composé minéral disposée comme phase stationnaire dans une colonne. Cette méthode s’est peu développée,peut-être parce que la mise en œuvre de l’extraction liquide/liquide est plus rapide, sans doute aussi parce que les coefficients de distribution sont souvent à l’avantage des échangeurs d’ions et que les phases aqueuses sont polluées par le solvant.

Spanish

Save record 1

Record 2 2011-06-23

English

Subject field(s)
  • Analytical Chemistry
  • Biological Sciences
  • Biotechnology
DEF

Chromatographic analysis in which the stationary phase consists of beads of porous polymeric material sold under the trade name Sephadex; the mobile phase is liquid.

CONT

Gel Filtration Chromatography. The gel filtration method is a relatively new fractionation procedure in liquid chromatography for the separation of molecules according to the differences in size and shape and can be considered a a kind of "molecular sieve." This method has also been referred to in some publications as exclusion chromatography, restricted diffusion chromatography, restricted diffusion chromatography, gel chromatography and gel permeation chromatography, just to mention a few.

OBS

Gel permeation chromatography ... is the preferred term for what has also been known variously as exclusion chromatography, gel chromatography and gel filtration.

OBS

"Gel chromatography" is an inclusive term to designate all forms of exclusion chromatography.

Key term(s)
  • SEC

French

Domaine(s)
  • Chimie analytique
  • Sciences biologiques
  • Biotechnologie
DEF

Analyse chromatographique dans laquelle la phase stationnaire est formée de perles de substance poreuse et la phase mobile est liquide.

OBS

La substance poreuse utilisée est connue commercialement sous l'appellation Sephadex.

Key term(s)
  • chromatographie de filtration de gel

Spanish

Campo(s) temático(s)
  • Química analítica
  • Ciencias biológicas
  • Biotecnología
DEF

Procedimiento cromatográfico que separa distintas sustancias en función de sus tamaños moleculares.

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Record 3 2011-05-31

English

Subject field(s)
  • Analytical Chemistry
  • Chemistry
  • Scientific Measurements and Analyses
DEF

The removal of adsorbed species from a porous bed or chromatographic column by passing the mobile phase through the stationary phase.

OBS

The term elution is preferred to the term development. However, in planar chromatography where the sample components are developed on the paper or plate, the latter is still in use.

PHR

Elution analysis.

French

Domaine(s)
  • Chimie analytique
  • Chimie
  • Mesures et analyse (Sciences)
DEF

Destruction d'un produit d'adsorption par un liquide dissolvant sur une colonne d'adsorption chromatographique ou sur une colonne d'échangeur d'ions.

PHR

Analyse, pic (par, d') élution.

PHR

Élution graduée.

Spanish

Campo(s) temático(s)
  • Química analítica
  • Química
  • Medición y análisis (Ciencias)
DEF

Separación mediante un fluido de una sustancia retenida en una fase estacionaria.

Save record 3

Record 4 1996-05-13

English

Subject field(s)
  • Analytical Chemistry

French

Domaine(s)
  • Chimie analytique
DEF

[...] phases de granulométrie très fine et très homogène, la profondeur des pores diminuant avec la taille des particules.

Spanish

Save record 4

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