Mass discrimination of isotopic Xe + ions ejected from an r.f. quadrupole trap: Fourier analysis of the ion signal for selected time-of-flight measurements related to ion position in the trap

The temporal position of an ion inside an r.f. quadrupole trap has been determined by selected time-of-flight (TOF) measurements after ejection. Fourier analysis of the TOF ion signal for different positions of the ion in the trap during confinement gives the secular frequency of the motion of the i...

Full description

Saved in:
Bibliographic Details
Published in:International journal of mass spectrometry and ion processes 1992-11, Vol.121 (1), p.77-86
Main Authors: Zerega, Y., Brincourt, G., Andre, J., Catella, R.
Format: Article
Language:English
Subjects:
Fourier analysis
ion trap
time-of-flight
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The temporal position of an ion inside an r.f. quadrupole trap has been determined by selected time-of-flight (TOF) measurements after ejection. Fourier analysis of the TOF ion signal for different positions of the ion in the trap during confinement gives the secular frequency of the motion of the ion. When a small number of ions of various m/Z values are simultaneously confined, they can be identified from the secular frequency of their motion. The experimental set-up used allows one to see the superimposition of the temporal evolution of different confined isofopic Xe +ions. Fourier transform analysis of the TOF ion signal gives the isotopic composition.
ISSN:0168-1176
1873-2801
DOI:10.1016/0168-1176(92)80072-9