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Study of the crystallization fields of cobalt(II) slenites in the system CoSeO3-SeO2-H2O

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Summary

The solubility of CoSeO3-SeO2-H2O system in the temperature region 298-573 K was studied. The phase diagram of cobalt(II)selenites was drawn and the crystallization fields for the different phases were determined. Depending on the conditions for hydrothermal synthesis, CoSeO3×2H2O, α-CoSeO3×1/3H2O, β-CoSeO3×1/3H2O, CoSeO3, Co(HSeO3)2×2H2O and CoSe2O5 were obtained. The different phases were proved and characterized by chemical and X-ray analyses, as well as IR spectroscopy.

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Authors and Affiliations

  1. Assen Zlatarov University, Department Physical Chemistry, 8010 Bourgas, Bulgaria

    L. T. Vlaev

  2. Assen Zlatarov University, Department Physical Chemistry, 8010 Bourgas, Bulgaria

    S. D. Genieva

  3. Assen Zlatarov University, Department Physical Chemistry, 8010 Bourgas, Bulgaria

    G. G. Gospodinov

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  1. L. T. Vlaev
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  2. S. D. Genieva
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  3. G. G. Gospodinov
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Vlaev, L., Genieva, S. & Gospodinov, G. Study of the crystallization fields of cobalt(II) slenites in the system CoSeO3-SeO2-H2O. J Therm Anal Calorim 81, 469–475 (2005). https://doi.org/10.1007/s10973-005-0808-1

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  • DOI: https://doi.org/10.1007/s10973-005-0808-1

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