Affiliation:
1. Department of Chemistry, Howard L. Hunter Chemical Laboratories, Clemson University, Clemson, South Carolina 29634-1905
Abstract
A double quadrupole mass spectrometer has been assembled to perform collision-induced dissociation (CID) of molecular ions sampled from a radio-frequency (rf) powered glow discharge atomization/ionization source. Low-energy ( Elab = 20 and 40 eV) collisions with argon target atoms efficiently dissociate species of the form M2+, MAr+, MO+, and Ar2+, and residual gas species. Exemplary CID mass spectra illustrate the enhanced reduction of potential molecular isobars relative to scattering losses of analyte (atomic) ions.
Subject
Spectroscopy,Instrumentation
Cited by
55 articles.
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