Quadrupole ion trap mass spectrometer having two axial modulatio

Details Quadrupole ion trap mass spectrometer having two axial modulatio Quadrupole ion trap mass spectrometer having two axial modulatio

1992-12-14

1994-10-04

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

Methods

250292, B01D 5944, H01J 4900

Patent

active

053528905

ABSTRACT:
There is described a method of operating an ion trap mass spectrometer. The method is carried out by trapping ions of selected masses in a three-dimensional field and then generating at least two fields in said trap having different frequencies to excite multiple trapped ions.

REFERENCES:
patent: 4736101 (1988-04-01), Syka et al.
patent: 4749860 (1988-06-01), Kelley et al.
patent: 5075547 (1991-12-01), Johnson et al.
patent: 5171991 (1992-12-01), Johnson et al.
patent: 5173604 (1992-12-01), Kelley

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