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Rapid X-Ray Fluorescence Analysis of Intercalation Compounds for Molybdenum Content

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Abstract

Expansion of the works on the synthesis and study of the structure of new intercalation compounds based on molybdenum disulfide (MD) with various inclusions of organic molecules in the layered structures entails the necessity of developing methods for rapid analysis of those compounds for molybdenum content. We developed a rapid method of XRF analysis of such compounds using a bulk method in the range of 28–50% Mo content. Analytical signals were measured for the MoKα line on a VRA-30 spectrometer (Carl Zeiss, Jena, Germany; X-ray tube with Rh anode operated in the mode of 35 kV, 15 mA). The molybdenum content is calculated using the derived coupling equation; the error of determination is ±2.5% Mo (abs.). In contrast to the traditional methods of external standard with dilution used in laboratory practice, the proposed method provides satisfactory accuracy and reduces the duration of analysis from ~100 to ~20 min, the sample material being kept safe for further studies. Correctness of the method was confirmed for the batch of compounds by comparison of the obtained results and the data of XRF analysis with the dilution procedure.

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Funding

This work was supported by the Ministry of Science and Higher Education of the Russian Federation.

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Authors and Affiliations

  1. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), 119991, Moscow, Russia

    V. N. Talanova, O. L. Lependina, D. Kh. Kitaeva & A. G. Buyanovskaya

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  1. V. N. Talanova
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  2. O. L. Lependina
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  3. D. Kh. Kitaeva
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  4. A. G. Buyanovskaya
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Corresponding author

Correspondence to V. N. Talanova.

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Translated by Sh. Galyaltdinov

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Talanova, V.N., Lependina, O.L., Kitaeva, D.K. et al. Rapid X-Ray Fluorescence Analysis of Intercalation Compounds for Molybdenum Content. Inorg Mater 57, 1422–1426 (2021). https://doi.org/10.1134/S0020168521140144

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  • DOI: https://doi.org/10.1134/S0020168521140144

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