Mass spectrometer with quadrupole filter and movable carrier pro

Details Mass spectrometer with quadrupole filter and movable carrier pro Mass spectrometer with quadrupole filter and movable carrier pro

1991-01-22

1992-01-21

Berman, Jack I.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

250289, H01J 4900, G01N 2762

Patent

active

050830210

ABSTRACT:
A mass spectrometer with quadrupole filter comprises a spectrometer chamber containing the ion source, its associated electron optical system, and a quadrupole filter. The chamber is designed in the form of a hollow sleeve closed at one end by a removable leak-tight cover mounted on a longitudinally-sliding motor-driven carriage which also supports the ion source and its optical system. The carriage is capable of selective displacement in translational motion between a closed position in which the ion source is in the work position and the cover is in the closed position, and an open position in which the carriage projects outside the casing at least to a partial extent and allows access to the ion source and its associated optical system.

REFERENCES:
patent: 4595835 (1986-06-01), Boulin et al.
"Design and Construction of LS/MS Interfaces . . . " by P. J. Arpino, Int. J. of Mass Spectr. and Ion Processes, 64 (1985) Apr., No. 3, Amsterdam, Netherlands.
"The Review of Scientific Instruments", vol. 43, No. 10, Oct. 1972, pp. 1527-1530, An Electrodynamic Ion Source for the Mass Spectrometry of Liquids, by C. A. Evans, Jr. et al.

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