Abstract
In this paper a newly developed technique, the so-called “Sliding Spark Spectrometry” is described. The method, with a comparatively simple system, allows direct in-situ analysis of handy, compact non-conductive material without prior sample preparation. A new excitation source for optical emission spectroscopy has been developed. The basic principle of the method is the thermal vaporization, ionization and excitation of a small amount of surface substrate using a train of high-current sliding sparks. The material components in the spark plasma are activated to emit radiation. From the atomic spectrum, informations about the composition and the element concentration in the sample can be obtained. With the use of the sliding spark spectrometer, a rapid analysis, especially of chlorine containing waste plastics and their inorganic additives can be carried out.
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Golloch, A., Seidel, T. Sliding spark spectroscopy — a new excitation source for generating atomic emission spectra for analysis. Fresenius J Anal Chem 349, 32–35 (1994). https://doi.org/10.1007/BF00323220
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DOI: https://doi.org/10.1007/BF00323220