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Heat of Fusion of Na3AlF6 Eutectic Mixtures with CaF2 and Al2O3

Alexander A. Redkin, Svetlana V. Pershina, Evgenia A. Il'ina, Alexander A. Kataev, Yurii P. Zaikov

Abstract


The heat of fusion of eutectic mixtures of sodium cryolite with alumina and calcium fluoride was measured using differential scanning calorimetry. Melting temperatures were found to be in good agreement with literature data. The molar heat of fusion of cryolite salts and eutectic mixtures was found to be directly dependent on melting temperature. The temperature dependence coefficient is the same as that of alkali halides.


Keywords


heat of fusion; melting point; cryolite; heat balance; differential scanning calorimetry

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References


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DOI: https://doi.org/10.15826/chimtech.2019.6.3.03

Copyright (c) 2019 Alexander Redkin, Svetlana Pershina, Evgenia Il'ina, Alexander Kataev, Yurii Zaikov

© Chimica Techno Acta, 2014-2020
ISSN 2411-1414 (Online), ISSN 2409-5613 (Print)

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