High-temperature heat capacity of oxides of the CuO–V2O5 system


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Abstract

CuV2O6 and Cu2V2O7 compounds have been produced from initial components CuO and V2O5 by solid-phase synthesis. The high-temperature heat capacity of the oxide compounds has been measured using differential scanning calorimetry. The thermodynamic properties (the enthalpy change, the entropy change, and the reduced Gibbs energy) have been calculated using experimental dependences CP = f(T). It is found that there is a correlation between the specific heat capacity and the composition of oxides of the CuO–V2O5 system.

About the authors

L. T. Denisova

Institute of Nonferrous Metals and Materials Science

Author for correspondence.
Email: antluba@mail.ru
Russian Federation, ul. Im. Gazety “Krasnoyarskii Rabochii,”, Krasnoyarsk, 660045

N. V. Belousova

Institute of Nonferrous Metals and Materials Science

Email: antluba@mail.ru
Russian Federation, ul. Im. Gazety “Krasnoyarskii Rabochii,”, Krasnoyarsk, 660045

V. M. Denisov

Institute of Nonferrous Metals and Materials Science

Email: antluba@mail.ru
Russian Federation, ul. Im. Gazety “Krasnoyarskii Rabochii,”, Krasnoyarsk, 660045

N. A. Galiakhmetova

Institute of Nonferrous Metals and Materials Science

Email: antluba@mail.ru
Russian Federation, ul. Im. Gazety “Krasnoyarskii Rabochii,”, Krasnoyarsk, 660045

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