TERMIUM Plus®

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QUADRUPOLE MASS ANALYZER [1 record]

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Record 1 2002-05-07

English

Subject field(s)
  • Atomic Physics
  • Chemistry
DEF

An arrangement in which ions with a desired quotient of mass/charge are made to describe a stable path under the effect of a static and a high-frequency electric quadrupole field, and are then measured. Ions with a different mass/charge are separated from the measured ions because of their unstable paths.

Key term(s)
  • quadrupole mass analyzer

French

Domaine(s)
  • Physique atomique
  • Chimie
DEF

Combinaison dans laquelle les ions, dont le rapport masse/charge a la valeur désirée, décrivent des trajectoires stables sous l'effet de champs électriques quadripolaires, statiques et de haute fréquence avant d'être collectés. Les ions dont le rapport masse/charge est différent sont séparés des ions précédents en raison du manque de stabilité de leurs trajectoires.

Spanish

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