Real-time chemical analysis of aerosol particles

Mo Yang; William B. Whitten; J. Michael Ramsey

doi:10.1117/12.206452

7 April 1995 Real-time chemical analysis of aerosol particles

Mo Yang, William B. Whitten, J. Michael Ramsey

Proceedings Volume 2385, Advanced Optical Methods for Ultrasensitive Detection; (1995) https://doi.org/10.1117/12.206452
Event: Photonics West '95, 1995, San Jose, CA, United States

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.

Citation Download Citation

Mo Yang, William B. Whitten, and J. Michael Ramsey "Real-time chemical analysis of aerosol particles", Proc. SPIE 2385, Advanced Optical Methods for Ultrasensitive Detection, (7 April 1995); https://doi.org/10.1117/12.206452

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