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Calorimetric study of melts in the System KF - K2NbF7

✍ Scribed by Nerád, Ivan ;Mikšíková, Eva

Book ID
111488039
Publisher
Walter de Gruyter GmbH
Year
2008
Tongue
English
Weight
923 KB
Volume
6
Category
Article
ISSN
2391-5420

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Enthalpy increment measurements on melts in the system KF-K 2 TaF 7 were carried out by drop calorimetry at temperatures between 298 K and 1063, 1103 and 1143 K for selected compositions. Heat capacities of the melted mixtures and enthalpies of mixing have been determined. Careful calorimetric exper

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## Abstract A special form of the LeChatelier-Shreder equation describing the equilibrium between the crystalline phase and the melt in system A-AB in which the substance AB partially dissociates upon melting was applied to systems KF-K3NbF8, K2NbF7-K3NbF8 and to KF-K3TaF8, K2TaF7-K3TaF8 subsystems