Abstract
The phase and elemental compositions of the ash-forming compounds of brown coals from the Nazarovskoe deposit of the Kansk-Achinsk basin were studied by X-ray diffractometry and X-ray fluorescence spectrometry. A procedure for the microwave preparation of the test samples of brown coal for analysis by atomic-absorption spectrometry to determine noble metal concentrations was proposed and experimentally tested. A set of spectrometric methods of analysis and microwave sample preparation is proposed for the rapid determination of minerals and noble metal compounds as the constituents of solid fossil fuels.
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Original Russian Text © A.V. Podgaetskii, N.G. Novikova, E.A. Bedretdinova, A.A. Lavrinenko, 2014, published in Khimiya Tverdogo Topliva, 2014, No. 5, pp. 35–40.
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Podgaetskii, A.V., Novikova, N.G., Bedretdinova, E.A. et al. Determination of noble metal concentrations in brown coals from the Nazarovskoe deposit using a set of spectrometric methods. Solid Fuel Chem. 48, 307–312 (2014). https://doi.org/10.3103/S0361521914050115
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DOI: https://doi.org/10.3103/S0361521914050115