Методы расчета и сопоставления термодинамических свойств соединений силикатов и боратов

Olga N. Koroleva; Mikhail V. Shtenberg; Valeriy A. Bychinsky; Aleksey A. Tupitsyn; Konstantin V. Chudnenko

doi:10.14529/chem170105

Authors

Olga N. Koroleva South Ural State University, Miass Branch, Miass
Mikhail V. Shtenberg Institute of Mineralogy UB RAS, Miass
Valeriy A. Bychinsky Vinogradov Institute of Geochemistry SB RAS, Irkutsk
Aleksey A. Tupitsyn Irkutsk State Transport University, Irkutsk
Konstantin V. Chudnenko Vinogradov Institute of Geochemistry SB RAS, Irkutsk

DOI:

https://doi.org/10.14529/chem170105

Keywords:

silicates, borates, standard thermodynamic functions

Abstract

New methods for processing the experimental and calculated thermodynamic data have been elaborated and the existing ones have been improved. The developed approaches provide a physically reasonable description of the first-order phase transitions, which makes it possible to compare and correct the values of their thermodynamic properties, as well as to calculate the thermodynamic parameters of unstudied compounds. Regression equations have been proposed for calculating the standard entropy and enthalpy of formation of lithium, sodium, and potassium silicates and borates. The resulting entropy and enthalpy values for 14 alkali metal silicates and 12 alkali metal borates can be used to optimize the technological processes for manufacturing glass, ceramics, and coatings.

Author Biographies

Olga N. Koroleva, South Ural State University, Miass Branch, Miass

кандидат химических наук, доцент, кафедра ТМиЕНММФ

Mikhail V. Shtenberg, Institute of Mineralogy UB RAS, Miass

кандидат геолого-минералогических наук, научный сотрудник

Valeriy A. Bychinsky, Vinogradov Institute of Geochemistry SB RAS, Irkutsk

кандидат геолого-минералогических наук, старший научный сотрудник

Aleksey A. Tupitsyn, Irkutsk State Transport University, Irkutsk

доктор химических наук, доцент

Konstantin V. Chudnenko, Vinogradov Institute of Geochemistry SB RAS, Irkutsk

доктор геолого-минералогических наук, заведующий лабораторией

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