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Proceedings Paper

Real-time chemical analysis of aerosol particles
Author(s): Mo Yang; William B. Whitten; J. Michael Ramsey
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Paper Abstract

An application of an ion trap mass spectrometer (ITMS) for real time chemical analysis of airborne microparticles is described. Fragmentation analysis of organic chemicals condensed on a microparticle's surface has been demonstrated using laser induced desorption ionization and MS/MS techniques with ITMS. An on-line atmospheric particle sampling system has been designed and interfaced to the ITMS. A dual particle detector system using optical fibers has been designed and timing electronics have been developed for the particle speed measurements required in order for the desorption laser to intercept the particles.

Paper Details

Date Published: 7 April 1995
PDF: 8 pages
Proc. SPIE 2385, Advanced Optical Methods for Ultrasensitive Detection, (7 April 1995); doi: 10.1117/12.206452
Show Author Affiliations
Mo Yang, Oak Ridge National Lab. (United States)
William B. Whitten, Oak Ridge National Lab. (United States)
J. Michael Ramsey, Oak Ridge National Lab. (United States)


Published in SPIE Proceedings Vol. 2385:
Advanced Optical Methods for Ultrasensitive Detection
Bryan L. Fearey, Editor(s)

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