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Collision‐energy ramp. A modification to an RF‐only quadrupole collision cell
Author(s) -
Bott Geoffrey,
Ogden Sherri,
Leary Julie A.
Publication year - 1990
Publication title -
rapid communications in mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.528
H-Index - 136
eISSN - 1097-0231
pISSN - 0951-4198
DOI - 10.1002/rcm.1290040909
Subject(s) - collision , chemistry , analyser , collision induced dissociation , quadrupole , mass spectrometry , atomic physics , triple quadrupole mass spectrometer , hybrid mass spectrometer , dissociation (chemistry) , quadrupole ion trap , selected reaction monitoring , physics , tandem mass spectrometry , ion trap , computer security , chromatography , computer science
A modification to the electronics controlling the collision energy of an RF‐only quadrupole collision cell in a BEqQ geometry mass spectrometer is described. The modification allows the collision energy to be ramped from 0–500 eV while scanning the quadrupole mass analyser. The collision‐induced dissociation spectra generated using a ramped collision energy exhibit a 10%–100% increase in product‐ion abundance.