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Revised heat capacity and thermodynamic functions of GdVO4

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Abstract

The heat capacity of GdVO4 has been determined by adiabatic calorimetry in the range 5–345 K. The present experimental data and earlier results have been used to evaluate the thermodynamic functions of gadolinium orthovanadate (C 0 p (T), S 0(T), H 0(T) − H 0(0), and Φ0(T)) as functions of temperature (5–350 K). Its Gibbs energy of formation is determined to be Δf G 0(GdVO4, 298.15 K) = −1684.5 ± 1.6 kJ/mol.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    K. S. Gavrichev, M. A. Ryumin & A. V. Tyurin

  2. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, ul. Kosygina 19, Moscow, 119991, Russia

    V. M. Gurevich

  3. Moscow State University, Moscow, 119899, Russia

    L. N. Komissarova

Authors
  1. K. S. Gavrichev
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  2. M. A. Ryumin
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  3. A. V. Tyurin
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  4. V. M. Gurevich
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  5. L. N. Komissarova
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Correspondence to K. S. Gavrichev.

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Original Russian Text © K.S. Gavrichev, M.A. Ryumin, A.V. Tyurin, V.M. Gurevich, L.N. Komissarova, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 10, pp. 1231–1236.

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Gavrichev, K.S., Ryumin, M.A., Tyurin, A.V. et al. Revised heat capacity and thermodynamic functions of GdVO4 . Inorg Mater 47, 1120–1125 (2011). https://doi.org/10.1134/S0020168511090081

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  • DOI: https://doi.org/10.1134/S0020168511090081

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