Chemical characterization of individual microparticles using an ion trap: real-time chemical analysis of aerosol particles

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This paper describes initial experiments to perform laser ablation mass spectrometry in real time on airborne microparticles. The microparticles are sampled directly from the air by a particle inlet system into the vacuum chamber of a mass spectrometer. An incoming particle is detected as it passes through two CW laser beams and a pulsed laser is triggered to intercept the particle for laser ablation/ionization in the mass spectrometer. The initial studies were made with an existing ion trap mass spectrometer with the particle sampling occurring at the center of the trap electrodes. Performance of the inlet system, particle detection, and ... continued below

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14 p.

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Yang, Mo; Whitten, W.B.; Reilly, P.T.A.; Gieray, R. & Ramsey, J.M. October 1, 1996.

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Description

This paper describes initial experiments to perform laser ablation mass spectrometry in real time on airborne microparticles. The microparticles are sampled directly from the air by a particle inlet system into the vacuum chamber of a mass spectrometer. An incoming particle is detected as it passes through two CW laser beams and a pulsed laser is triggered to intercept the particle for laser ablation/ionization in the mass spectrometer. The initial studies were made with an existing ion trap mass spectrometer with the particle sampling occurring at the center of the trap electrodes. Performance of the inlet system, particle detection, and preliminary results are described.

Physical Description

14 p.

Notes

INIS; OSTI as DE96014611

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  • World congress of Korean Federation of Scientists and Engineers, Seoul (Korea, Republic of), 24-25 Jun 1996

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  • Other: DE96014611
  • Report No.: CONF-9606276--1
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 381770
  • Archival Resource Key: ark:/67531/metadc682327

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • October 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Jan. 25, 2016, 3:53 p.m.

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Yang, Mo; Whitten, W.B.; Reilly, P.T.A.; Gieray, R. & Ramsey, J.M. Chemical characterization of individual microparticles using an ion trap: real-time chemical analysis of aerosol particles, article, October 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc682327/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.