Direct solid sample analysis of SiC-powders by DC glow discharge and DC-ARC emission spectroscopy |
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| Authors: | K Flórián W Fischer and H Nickel |
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| Institution: | (1) Department of Chemistry, TU Kosice, Letná 9, SK-04200 Kosice, Slovakia;(2) Institute for Materials in Energy Systems, Research Centre Jülich GmbH, P. O. Box 1913, D-52425 Jülich, Germany |
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| Abstract: | Glow discharge atomic emission spectroscopy (GD-OES) and the classical spectrographic method with a dc arc source (DC-ARC OES) have been applied to the direct analysis of SiC powders. The homogeneity of pellets prepared from mixtures of SiC with copper powder and used for the GD experiments was investigated in detail. Various methods have been tested for the analytical calibration. These have been applied to the direct solid sample analysis of technical SiC powders. The experimental data were evaluated by chemometrical procedures. The results of the two methods have been compared. |
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