Identification of high explosives using single-particle aerosol mass spectrometry

Audrey N. Martin; George R. Farquar; Eric E. Gard; Matthias Frank; David P. Fergenson

doi:10.1021/ac061581z

Identification of high explosives using single-particle aerosol mass spectrometry

Audrey N. Martin, George R. Farquar, Eric E. Gard, Matthias Frank, David P. Fergenson

Research output: Contribution to journal › Article

26 Scopus citations

Abstract

The application of single-particle aerosol mass spectrometry (SPAMS) to the real-time detection of micrometersized single particles of high explosives is described. Dual-polarity time-of-flight mass spectra from 1000 single particles each of 2,4,6-trinitrotoluene (TNT), 1,3,5-trinitro-1,3,5-triazinane (RDX), and pentaerythritol tetranitrate (PETN), as well as those of complex explosives, Composition B, Semtex 1A, and Semtex 1H, were obtained over a range of desorption/ionization laser fluences between 0.50 and 8.01 nJ/μm ². Mass spectral variability with laser fluence for each explosive is discussed. The ability of the SPAMS system to identify explosive components in a single complex explosive particle (∼1 pg) without the need for consumables is demonstrated.

Original language	English (US)
Pages (from-to)	1918-1925
Number of pages	8
Journal	Analytical Chemistry
Volume	79
Issue number	5
DOIs	https://doi.org/10.1021/ac061581z
Publication status	Published - Mar 5 2007
Externally published	Yes

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ASJC Scopus subject areas

Analytical Chemistry

Cite this

Martin, A. N., Farquar, G. R., Gard, E. E., Frank, M., & Fergenson, D. P. (2007). Identification of high explosives using single-particle aerosol mass spectrometry. Analytical Chemistry, 79(5), 1918-1925. https://doi.org/10.1021/ac061581z

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