An RF‐only quadrupole collision cell, fitted with retardation and acceleration lenses, has been installed in a field‐free region of a large‐scale tandem mass spectrometer. This new arrangement has allowed decelerated, mass‐selected ions ( ca . 5 eV kinetic energy) to react with reagent gases and reaccelerated, mass‐selected products ( ca . 8 keV) to be subsequently identified by collisional activation mass spectrometry. The system was tested by looking at ion/molecule reactions of cyclobutanone molecular ions, previously studied by FTICR mass spectrormetry.
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Flammang et al. (1995) studied this question.
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