Journal
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
Volume 57, Issue 10, Pages 1585-1592Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0584-8547(02)00067-8
Keywords
microplasma; miniaturized analytical instrumentation; atomic emission detector; diode laser atomic absorption spectrometry; halogenated hydrocarbons
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Two small-size plasmas used as detectors of halogenated hydrocarbons and suitable for miniaturized instrumentation are discussed. A reduced pressure dielectric barrier discharge was integrated in a diode laser atomic absorption spectrometer and the already reported chlorine detection limits of 5 ppm (v/v) can be improved with one order of magnitude by spatially resolved measurements. A microstructured electrode discharge at atmospheric pressure was coupled with a miniaturized Echelle spectrometer and detection limits were found to be 20 ppb for chlorine as well as for fluorine. (C) 2002 Elsevier Science B.V. All rights reserved.
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