Method and apparatus for mass analysis by multi-pole mass filter

Details Method and apparatus for mass analysis by multi-pole mass filter Method and apparatus for mass analysis by multi-pole mass filter

1975-10-23

1978-05-16

Church, Craig E.

Radiant energy

Ionic separation or analysis

Methods

250292, B01D 5944

Patent

active

040900754

ABSTRACT:
An ionized substance to be analysed is applied to a quadrupole filter that establishes stable and unstable ion trajectories dependent upon the potential applied to the poles. Varying this potential determines which mass line spectrum will be transmitted to an analyser at the output of the filter.

REFERENCES:
patent: 2950389 (1960-08-01), Paul
patent: 3413463 (1968-11-01), Brubaker
patent: 3527939 (1970-09-01), Dawson
patent: 3579270 (1971-05-01), Daly

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