Microplasma-based atomic emission detectors for gas chromatography |
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Authors: | M Miclea M Okruss K Kunze N Ahlman J Franzke |
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Institution: | (1) Department of Optics, Physics Faculty, Martin Luther University Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany;(2) Institute for Analytical Sciences-ISAS, Albert-Einstein-Str. 9, 12489 Berlin, Germany;(3) Laboratory for Optical Physics and Engineering, Department of Electrical and Computer Engineering, University of Illinois, Urbana, IL 61801, USA;(4) Institute for Analytical Sciences-ISAS, Bunsen-Kirchhoff-Str.11, 44139 Dortmund, Germany |
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Abstract: | This paper is an update on the development of microplasmas as detectors for gas chromatography. Direct current (dc), alternating
current (ac), and radio frequency (rf) microplasmas developed in recent years will be described with their significant analytical
results, which mostly concern the detection of halogens and sulfur. New results will be added which employ a microhollow cathode
discharge (MHCD) as excitation source. Emphasis will be given to this microplasma which has already been implemented as an
element-selective detector for emission spectrometry and as ionization source for mass spectrometry. The possibility to use
it as a multielement-selective detector for gas chromatography will be presented. A discussion of the published detection
limits of all these microplasmas is given. |
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Keywords: | Microplasmas Emission Spectrometry Gas chromatography |
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