Heat of Fusion of Na 3 AlF 6 Eutectic Mixtures with CaF 2 and Al 2 O 3

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...

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Published inChimica Techno Acta Vol. 6; no. 3; pp. 104 - 110
Main Authors Redkin, Alexander A., Pershina, Svetlana V., Il'ina, Evgenia A., Kataev, Alexander A., Zaikov, Yurii P.
Format Journal Article
LanguageEnglish
Published 16.10.2019
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Summary: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.
ISSN:2409-5613
2411-1414
DOI:10.15826/chimtech.2019.6.3.03