Phase diagram of the ternary NaF-LiF-LaF3 system |
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| Authors: | R. N. Savchuk N. V. Faidyuk A. A. Omel’chuk V. A. Khokhlov I. V. Korzun |
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| Affiliation: | 1. Vernadskii Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, Kiev, Ukraine
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| Abstract: | Differential thermal and X-ray diffraction analyses are used to study the phase equilibria in the ternary NaF-LiF-LaF3 system. A ternary eutectic and two peritectics are found. The solid eutectic mixture whose melting temperature is 580°C consists of NaLaF4 chemical compound crystallites and individual lithium and sodium fluorides (LiF, NaF). Above the melting point, LaF 6 3? complex anions form in the melt at 590–750°C. |
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