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Optical Engineering

Linked Gas Chromatography/Fourier Transform Infrared Spectrometry/Fourier Transform Mass Spectrometry For Mixture Analysis
Author(s): David A. Laude; Carolyn Johlman; Charles L. Wilkins
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Paper Abstract

During the past few years it has been demonstrated that linkage of multiple spectrometry systems with gas chromatography (GC) offers significant advantages for structural analysis of mixture components as they are sepa-rated. In the work to be described, a Fourier transform mass spectrometer (FTMS) has been linked in parallel with a Fourier transform infrared (FTIR) spectrometer for concurrent analysis of GC eluants from a fused silica capillary column. This system provides FTIR, electron impact, and chemical ionization mass spectral analysis of each mixture component as it emerges from the GC. Furthermore, mass measurement accuracy in the low ppm range in the absence of calibrant is made possible by the FTMS. Effective use of the com-plementary information obtained is shown to produce more reliable analytical performance than for any individual measurement.

Paper Details

Date Published: 1 December 1985
PDF: 3 pages
Opt. Eng. 24(6) doi: 10.1117/12.7973619
Published in: Optical Engineering Volume 24, Issue 6
Show Author Affiliations
David A. Laude, University of California, Riverside (United States)
Carolyn Johlman, University of California, Riverside (United States)
Charles L. Wilkins, University of California, Riverside (United States)


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