The micro-discharge family (dark, corona, and glow-discharge) for analytical applications realized by dielectric barriers.
The similarity principles of electric plasmas, and the current-voltage characteristics of the most prominent kinds of discharges used for analytical applications, are discussed. Most of the discharges can be miniaturized, and some of the analytical applications of different discharges can be realized by use of dielectric barriers for analytical applications, for example element spectrometry, as an ionization source for ion-mobility spectrometry or organic mass spectrometry, and as an electrospray ionization source.
Institut für Spektrochemie und Angewandte Spektroskopie, Bunsen-Kirchhoff-Str. 11, 44139, Dortmund, Germany. franzke@isas.de
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