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Description of the dependence of intensity of x-ray fluorescence on the particle size of powder samples and pulp during x-ray fluorescent analysis

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Abstract

The dependence of intensity of x-ray fluorescence on particle size for powdered and pulplike media is described using a general analytical expression. The expression is obtained for a model of a powder medium consisting of particles of various sizes distributed randomly in the sample bulk. This expression involves expressions for the fluorescence intensity for homogeneous and pulplike media as limiting cases. The results of calculations by these expressions agree satisfactorily with the literature and experimental data for binary powder mixtures. The model allows one to evaluate the effect of the particle size of the powder on the fluorescence intensity for a multicomponent polydispersed powder medium.

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Authors and Affiliations

  1. Vinogradov Institute of Geochemistry, Siberian Branch, Russian Academy of Sciences, ul. Favorskogo 1a, Irkutsk, 664033, Russia

    A. L. Finkel’shtein & T. N. Gunicheva

Authors
  1. A. L. Finkel’shtein
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  2. T. N. Gunicheva
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Original Russian Text © A.L. Finkel’shtein, T.N. Gunicheva, 2008, published in Zavodskaya Laboratoriya. Diagnostika materialov, 2008, Vol. 44, No. 14, pp. 21–24.

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Finkel’shtein, A.L., Gunicheva, T.N. Description of the dependence of intensity of x-ray fluorescence on the particle size of powder samples and pulp during x-ray fluorescent analysis. Inorg Mater 44, 1567–1571 (2008). https://doi.org/10.1134/S0020168508140136

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  • DOI: https://doi.org/10.1134/S0020168508140136

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