Controlling ion populations in a mass analyzer

Details Controlling ion populations in a mass analyzer Controlling ion populations in a mass analyzer

H - Electricity

01

J

H01J 49/04 (2006.01) H01J 49/42 (2006.01)

Patent

CA 2514343

Method and apparatus of controlling an ion population to be analyzed in a mass analyzer. Ions are accumulated for an injection time interval determined as a function of an ion accumulation rate and a predetermined desired population of ions. The accumulation rate represents a flow rate of ions from a source of ions into an ion accumulator. Ions derived form the accumulated ions are introduced into the mass analyzer for analysis.

L'invention concerne un procédé et un appareil permettant de réguler une population d'ions. Des ions sont accumulés pendant un intervalle de temps d'injection déterminé en fonction d'un taux d'accumulation d'ions et d'une population d'ions souhaitée prédéterminée. Le taux d'accumulation représente un débit d'ions d'une source d'ions vers un accumulateur d'ions. Des ions issus des ions accumulés sont introduits dans l'analyseur de masse pour analyse.

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