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Total reflection X-ray fluorescence analysis of Mongolian coals
Authors:Ts. Amartaivan  E. D. Greaves  G. Bernasconi  P. Wobrauschek
Affiliation:(1) Atominstitut der Österreichischen Universitäten, Schüttelstrasse 115, A-1020 Vienna, Austria;(2) Coal Research Centre, Academy of Science, 51 Ulaanbaatar, Mongolia;(3) Present address: Universidad Simon Bolivar, Apartado 89000, 1080A Caracas, Venezuela;(4) IAEA Laboratories, A-2444 Seibersdorf, Austria
Abstract:Coal samples were analysed for trace elements using total reflection X-ray fluorescence with monochromatic excitation. The procedure involved direct irradiation of the sample with the incoherent peak as internal standard. A new method for spectrometer sensitivity determination and sample quantification, was evaluated. Variable amounts of several trace elements were obtained in the analysis of coal from eight different deposits of Mongolia. The accuracy of the procedure was verified with the analysis of a coal standard.
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