Method of mass analyzing a sample over a wide mass range by use

Details Method of mass analyzing a sample over a wide mass range by use Method of mass analyzing a sample over a wide mass range by use

1984-10-22

1987-03-17

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

Methods

250286, 250288, 250292, B01D 5944

Patent

active

046509992

ABSTRACT:
The method of operating a quadrupole ion trap in which the mass range of interest is analyzed in segments by trapping ions of successive mass ranges within the segments whereby the operating parameters for each segment may be selected to improve sensitivity and resolution.

REFERENCES:
patent: 2939952 (1960-06-01), Paul et al.
patent: 3086111 (1963-04-01), Pepes
patent: 3501631 (1970-03-01), Arnold
patent: 3527939 (1970-08-01), Dawson et al.
patent: 3617736 (1971-11-01), Barnett et al.
patent: 4105917 (1978-08-01), McIver et al.
patent: 4540884 (1985-09-01), Stafford et al.
"Radiofrequency Quadrupole Mass Spectrometers" by Lawson and Todd, pp. 373-380.
"The Characterisation of a Quadrupole Ion Storage Mass Spectrometer" by Mather, Waldren and Todd, Dynamic Mass Spectrometry, vol. 5, 1978, pp. 39-85.
"Quadrupole Ion Traps" by Todd, Lawson and Bonner, Chapter VIII, pp. 181-224.

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