TERMIUM Plus®

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CROMATOGRAFIA LIQUIDO [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-05-24

English

Subject field(s)
  • Analytical Chemistry
CONT

Partition chromatography systems employing both a liquid mobile phase and a liquid stationary phase are all forms of liquid-liquid chromatography.

OBS

Liquid-liquid distribution is associated to separation and condensation processes.

Key term(s)
  • liquid liquid distribution

French

Domaine(s)
  • Chimie analytique
CONT

Chromatographie liquide-liquide (CLL). [...] Cette technique, qui dépend des différences de solubilité des solutés dans les deux phases, s'apparente à l'extraction liquide-liquide, mais ici une des phases liquides est immobilisée sur un solide en grains très fins et l'accroissement considérable de la surface de contact entre les deux phases fait que l'on obtient des efficacités très supérieures à celles obtenues en extraction liquide-liquide classique à contre-courant.

Spanish

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

Cromatografía de líquidos en la que la fase estacionaria es un líquido sobre un soporte sólido.

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Record 2 2003-11-07

English

Subject field(s)
  • Analytical Chemistry
DEF

A form of gas chromatography in which the fixed phase (column packing) is a liquid solvent distributed on an inert solid support.

OBS

The physical states of the mobile and stationary phases give rise to four basic types of chromatography: gas-liquid chromatography (GLC), gas-solid chromatography (GSC), liquid-liquid chromatography (LLC), and liquid-solid chromatography (LSC). Of the four basic types of chromatography, the two gas systems are independent and not subject to subdivisions. Thus the terms "gas-liquid chromatography" and "gas-solid chromatography" adequately identify the techniques involved. The liquid systems are not as easily described and are not mutually exclusive, which can lead to considerable confusion.

PHR

Open tubular gas-liquid chromatography.

French

Domaine(s)
  • Chimie analytique
DEF

Chromatographie en phase gazeuse dans laquelle la phase fixe est constituée par un liquide imprégnant un support solide inerte.

OBS

Dans cette définition et dans celle de la chromatographie gaz-solide, le premier mot spécifie la nature de la phase mobile et le second la phase stationnaire. Les phases stationnaires liquides sont déposées sur des solides, mais le support solide affecte le processus chromatographique. Dans un classement selon la nature des phases, le terme relatif à l'effet prédominant doit être choisi.

OBS

chromatographie gaz-liquide : terme normalisé par l'AFNOR.

Spanish

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

Cromatografía de gases en la que la fase estacionaria es un líquido soportado en un sólido.

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