Abstract
We found the main regularities of quantitative changes in energy-dispersive spectra in the determination of the elemental composition of powdered materials. At certain energy of probing electrons, the calculation of the relative weight fractions of elements in powder samples gives results corresponding to those obtained for reference polished sample surfaces. Generalizing the experimental data yielded an empirical dependence that relates the parameters of characteristic photons to the value of accelerating voltage required to obtain the proper ratio of the weight concentrations of elements in the analysis of powdered materials. A procedure for correcting the results of the elemental analysis of powder samples is proposed.
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ACKNOWLEDGMENTS
We used analytical equipment of the Facilities Sharing Center “Diagnostics of Micro- and Nano Structures.”
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The work was carried out within the framework of the state assignment to the Yaroslavl Branch of the Valiev Institute of Physics and Technology, Russian Academy of Sciences, from the RF Ministry of Science and Higher Education, topic no. FFNN-2022-0018.
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Translated by O. Zhukova
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Pukhov, D.E., Lapteva, A.A. Method for Correcting the Results of Energy-Dispersive Electron Probe Elemental Analysis of Powder Materials. J Anal Chem 77, 1162–1172 (2022). https://doi.org/10.1134/S1061934822090118
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DOI: https://doi.org/10.1134/S1061934822090118