Collisionally induced decomposition of ions in nonlinear ion tra

Details Collisionally induced decomposition of ions in nonlinear ion tra Collisionally induced decomposition of ions in nonlinear ion tra

1995-07-14

1996-06-18

Berman, Jack I.

Radiant energy

Ionic separation or analysis

Methods

250290, 250291, H01J 4942

Patent

active

055280315

ABSTRACT:
A method of fragmenting ions in conventional nonlinear ion traps using collisions of ions with molecules of a collison gas with excitation of the secular oscillations of the ions. A mixture of frequencies for resonant excitation, with a frequency limit which prevents the ions from being excited beyond the maximum oscillation amplitude between the end caps.

REFERENCES:
patent: 4736101 (1988-04-01), Syka et al.
patent: 4761545 (1988-08-01), Marshall et al.
patent: 5170054 (1992-12-01), Franzen
patent: 5171991 (1992-12-01), Johnson et al.
patent: 5198665 (1993-03-01), Wells
patent: 5352890 (1994-10-01), Johnson et al.
Non-Resonance Excitation and Ejection in Ion Trap, 41th ASMS Conf. Mass Spectrom. & Allied Topics, Wang et al., 1993, pp. 463a-463b.

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