Solid–Vapor Equilibria under Desolvation of Solid Solutions. Topological Isomorphism with Phase Diagrams of Polymorphic Solid Solutions

IF 1.8 3区 化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR
N. A. Charykov, V. V. Kuznetsov, A. V. Rumyantsev, V. A. Keskinov, N. A. Kulenova, K. N. Semenov, M. V. Charykova, V. P. German
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Abstract

This paper provides a proof for the operation of analogues of the three Gibbs–Konovalov laws (Gibbs–Roozeboom rules) in solid–vapor phase diagrams of ternary systems under the conditions of solid solutions desolvation in the absence of liquid phases. The diagrams under consideration are shown to feature topological isomorphism to phase diagrams of polymorphic transformations of solid solutions in binary systems, for which analogues of the Gibbs–Konovalov laws are also formulated. The proof is based on the application of generalized van der Waals differential equations to the phase equilibrium shift, written in the metrics of the incomplete and complete Gibbs potentials of solid phases of variable composition. The applicability of the laws (rules) analogues is shown for a number of model systems. A method is proposed for the separation and purification of salt components of solid solutions based on the laws recognized for the phase diagrams of solid solutions desolvation.

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来源期刊
Russian Journal of Inorganic Chemistry
Russian Journal of Inorganic Chemistry 化学-无机化学与核化学
CiteScore
3.10
自引率
38.10%
发文量
237
审稿时长
3 months
期刊介绍: Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.
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