| Theoretical characterization of an atmospheric pressure glow discharge used for analytical spectrometry. | |
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MedLine Citation:
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PMID: 19813757 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We have investigated the plasma processes in an atmospheric pressure glow discharge (APGD) in He used for analytical spectrometry by means of fluid and Monte Carlo (MC) simulations. Typical results include the potential and electric field distributions in the plasma, the density profiles of the various plasma species throughout the discharge, the mean electron energy, as well as the rates of the various collision processes in the plasma, and the relative importance of the different production and loss rates for the various species. The similarities and differences with low-pressure glow discharges are discussed. The main differences are a very small cathode dark space region and a large positive column as well as the dominant role of molecular ions. Some characteristic features of the APGD, such as the occurrence of the different spatial zones in the discharge, are illustrated, with links to experimental observations. |
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Authors:
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Tom Martens; Diana Mihailova; Jan van Dijk; Annemie Bogaerts |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Analytical chemistry Volume: 81 ISSN: 1520-6882 ISO Abbreviation: Anal. Chem. Publication Date: 2009 Nov |
Date Detail:
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Created Date: 2009-10-30 Completed Date: 2010-01-28 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370536 Medline TA: Anal Chem Country: United States |
Other Details:
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Languages: eng Pagination: 9096-108 Citation Subset: - |
Affiliation:
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Research Group PLASMANT, Department of Chemistry, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk, Belgium. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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