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Ion trajectories in quadrupole mass spectrometer with a static transverse magnetic field applied to mass filter

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3 Author(s)
Srigengan, B. ; Dept. of Electr. Eng. & Electron., Liverpool Univ., UK ; Gibson, J.R. ; Taylor, S.

An experimental study has been carried out using a quadrupole mass spectrometer (QMS) in which a static magnetic field is applied transversely to the body of the filter. These results have been compared with theoretical mass spectra obtained by computing the trajectories of all injected ions using the local field conditions. Significant improvement in QMS resolution may be obtained under certain magnetic field conditions, and these have been identified and explained in terms of the theoretical model

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Science, Measurement and Technology, IEE Proceedings -  (Volume:147 ,  Issue: 6 )