Abstract
The results of studying the evaporation and thermodynamic properties of the TiO2–Al2O3 system in the temperature range 2250–2710 K by high-temperature mass spectrometry are presented. The composition of the vapor is identified, the partial pressures of the TiO2, TiO, and Al vapor species over the studied samples in the indicated temperature range are determined. The determined activities of the components and the excess Gibbs energy in the melt of the TiO2–Al2O3 system at 2345 K point to insignificant deviations from ideality.
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ACKNOWLEDGMENTS
The authors are grateful to the Cryogenic Department of the Research Park of St. Petersburg State University for providing liquid nitrogen.
Funding
This work was financially supported by the Russian Foundation for Basic Research and the Science Committee of the Ministry of Education, Science, Culture and Sports of the Republic of Armenia (project no. 20-53-05013).
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V.L. Stolyarova and S.I. Lopatin are members of the editorial board of the Journal of General Chemistry. No conflict of interest was declared by the other authors.
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Translated from Zhurnal Obshchei Khimii, 2021, Vol. 91, No. 10, pp. 1558–1567 https://doi.org/10.31857/S0044460X21100115.
To the 90th Anniversary of A.V. Suvorov
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Stolyarova, V.L., Vorozhtcov, V.A., Shemchuk, D.V. et al. High Temperature Mass Spectrometric Study of the TiO2–Al2O3 System. Russ J Gen Chem 91, 1999–2007 (2021). https://doi.org/10.1134/S107036322110011X
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DOI: https://doi.org/10.1134/S107036322110011X