Calculation of the formation enthalpies,standard entropies,and standard heat capacities of alkali and alkaline-earth germanates |
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| Authors: | M. V. Shtenberg V. A. Bychinskii O. N. Koroleva N. M. Korobatova A. A. Tupitsyn S. V. Fomichev V. A. Krenev |
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| Affiliation: | 1.Institute of Mineralogy, Ural Branch,Russian Academy of Sciences, Miass, Ilmen Nature Reserve,Chelyabinsk oblast,Russia;2.Vinogradov Institute of Geochemistry, Siberian Branch,Russian Academy of Sciences,Irkutsk,Russia;3.South Ural State University, Miass Branch,Miass, Chelyabinsk oblast,Russia;4.Irkutsk State University of Railway Engineering,Irkutsk,Russia;5.Kurnakov Institute of General and Inorganic Chemistry,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | The formation enthalpies, standard entropies, and standard heat capacities of alkali and alkaline-earth germanates were determined by regression analysis with allowance for error in the initial data (weights). The potentialities of the presented method of calculation appreciably grew due to the possibility to enhance the array of initial data independently of the crystal structure of compounds. The thermodynamic properties of alkali germanates were estimated for the first time and could be used in the physicochemical models of magmatic melts. |
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