High explosives vapor detection by atmospheric sampling glow discharge ionization/tandem mass spectrometry

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The combination of atmospheric sampling glow discharge ionization with tandem mass spectrometry for the detection of traces of high explosives is described. Particular emphasis is placed on use of the quadrupole ion trap as the type of tandem mass spectrometer. Atmospheric sampling glow discharge provides a simple, rugged, and efficient means for anion formation while the quadrupole ion trap provides for efficient tandem mass spectrometry. Mass selective ion accumulation and non-specific ion activation methods can be used to overcome deleterious effects arising from ion/ion interactions. Such interactions constitute the major potential technical barrier to the use of the ion trap ... continued below

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110 p.

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McLuckey, S. A.; Goeringer, D. E. & Asano, K. G. February 1996.

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Description

The combination of atmospheric sampling glow discharge ionization with tandem mass spectrometry for the detection of traces of high explosives is described. Particular emphasis is placed on use of the quadrupole ion trap as the type of tandem mass spectrometer. Atmospheric sampling glow discharge provides a simple, rugged, and efficient means for anion formation while the quadrupole ion trap provides for efficient tandem mass spectrometry. Mass selective ion accumulation and non-specific ion activation methods can be used to overcome deleterious effects arising from ion/ion interactions. Such interactions constitute the major potential technical barrier to the use of the ion trap for real-time monitoring of targeted compounds in uncontrolled and highly variable matrices. Tailored waveforms can be used to effect both mass selective ion accumulation and ion activation. Concatenated tailored waveforms allow for both functions in a single experiment thereby providing the capability for monitoring several targeted species simultaneously. The combination of atmospheric sampling glow discharge ionization with a state-of-the-art analytical quadrupole ion trap is a highly sensitive and specific detector for traces of high explosives. The combination is also small and inexpensive relative to virtually any other form of tandem mass spectrometry. The science and technology underlying the glow discharge/ion trap combination is sufficiently mature to form the basis for an engineering effort to make the detector portable. 85 refs.

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110 p.

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OSTI as DE96009364

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  • Other Information: PBD: Feb 1996

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  • Other: DE96009364
  • Report No.: ORNL/TM--13166
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/225970 | External Link
  • Office of Scientific & Technical Information Report Number: 225970
  • Archival Resource Key: ark:/67531/metadc664427

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  • February 1996

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 17, 2015, 1:17 p.m.

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McLuckey, S. A.; Goeringer, D. E. & Asano, K. G. High explosives vapor detection by atmospheric sampling glow discharge ionization/tandem mass spectrometry, report, February 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc664427/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.