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Effect of Doping with Sodium and Potassium on the Phase Formation in the Synthesis of Calcium Sulfate

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Abstract

Materials based on calcium sulfate in which Na+ or K+ cations were substituted to a concentration of 5, 10, or 20 mol % for Ca2+ cations were synthesized and studied. The introduction of Na+ produced materials with the structure of calcium sulfate hemihydrate and dihydrate, and the incorporation of potassium yielded a mixture of calcium sulfates with various contents of chemically bound water and sulfates in which potassium cations formed compounds with different Ca : K ratios. The doping of calcium sulfate with sodium and potassium cations increased the solubility of materials by a factor of 1‒2 and 3‒4, respectively. The developed materials are promising in medical applications for filling bone tissue defects and also for using as a cement matrix for targeted drug delivery.

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Funding

This work was supported by the Russian Foundation for Basic Research (the synthesis of materials and the investigation of their properties, project no. 18–03–00429a; the solubility and IR spectroscopic studies, project no. 18–33–20170 mol-a-ved).

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Authors and Affiliations

  1. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, 119991, Moscow, Russia

    D. R. Khairutdinova, V. V. Smirnov, O. S. Antonova, M. A. Gol’dberg, S. V. Smirnov, T. O. Obolkina &  S. M. Barinov

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  1. D. R. Khairutdinova
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  2. V. V. Smirnov
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  3. O. S. Antonova
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  4. M. A. Gol’dberg
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  5. S. V. Smirnov
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  6. T. O. Obolkina
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  7. S. M. Barinov
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Corresponding author

Correspondence to V. V. Smirnov.

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Translated by V. Glyanchenko

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Khairutdinova, D.R., Smirnov, V.V., Antonova, O.S. et al. Effect of Doping with Sodium and Potassium on the Phase Formation in the Synthesis of Calcium Sulfate. Dokl Chem 489, 272–274 (2019). https://doi.org/10.1134/S0012500819110028

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  • DOI: https://doi.org/10.1134/S0012500819110028

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