Analytical apparatus using ion trap mass spectrometer

Details Analytical apparatus using ion trap mass spectrometer Analytical apparatus using ion trap mass spectrometer

1998-02-13

2000-05-09

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

With sample supply means

250292, B01D 5944, H01J 4900

Patent

active

060607068

ABSTRACT:
In an analytical apparatus, an ion trap mass spectrometer and a detector for detecting ions separated in the mass spectrometer are installed in different chambers. Ions generated from an ion source and passing through two differential pumping chambers into a third chamber containing the detector are deflected from their initial trajectory into the mass spectrometer in a fourth chamber for separation. In a first embodiment, the separated ions are returned along the same path into the detector in the third chamber. According to a second embodiment, the detector is located along the path of ion travel beyond the mass spectrometer, and the separated ions pass through a second orifice in the mass spectrometer and into the detector in the third chamber.

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