Mass spectrometric high-frequency quadrupole cage with overlaid

Details Mass spectrometric high-frequency quadrupole cage with overlaid Mass spectrometric high-frequency quadrupole cage with overlaid

1991-05-22

1992-12-08

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

250281, B01D 5944, H01J 4940

Patent

active

051700549

ABSTRACT:
Ion cage mass spectrometer, also referred to as quistor or ion trap, comprising a ring electrode and two end cap electrodes, voltage supplies for generating an ion-storing HF-quadrupole field, means for generating ions of the substances to be mass-spectrometrically investigated inside or outside the ion cage, potentially means for introducing the ions into the ion cage, means for the documentation of such ions that emerge from the ion cage, characterized in that a hexapole potential

REFERENCES:
patent: 4882484 (1989-11-01), Franzen et al.
patent: 4975577 (1990-12-01), Franzen et al.

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