TERMIUM Plus®

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CHROMATOGRAPHIC EFFICIENCY [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1999-09-30

English

Subject field(s)
  • Analytical Chemistry
DEF

Measure of the ability of the system to prevent zone spreading.

OBS

The ability of a column to maintain sharp (narrow) peaks; it is the primary criteria for judging column quality.

French

Domaine(s)
  • Chimie analytique
CONT

Les pics étant supposés gaussiens, on peut caractériser cet élargissement, en fonction du temps de passage dans la colonne (le temps de rétention) [...] Par analogie avec la distillation, on exprime [l'] efficacité, en nombre de plateaux théoriques. Plus commodément, on ramène le calcul soit à la largeur du pic à la base [oméga] [...] soit à la largeur du pic à mi-hauteur [delta] [...]

Spanish

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