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Physicochemical analyses of some systems important in aluminum production. VIII. The density of melts of the system Na3AlF6-Al2O3-NaCl

K. Matiašovský, A. Jászová, and M. Malinovský

Slovak Academy of Sciences, Bratislava


Abstract: cf. CA 57, 13220d. A diagram of the dependence of the d. of melts of the system Na3AlF6Al2O3-NaCl on the compn. at 1000° was constructed. In the system Na3AlF6-Al2O3 the d. of the melt decreases with increasing concn. of Al2O3. The addn. of NaCl to melts of the system Na3AlF6-Al2O3 decreases the d. This decrease is caused by the entrance of Cl- of relatively high radius into the melt and by decreasing the temp. of primary crystn. of melts of the system Na3AlF6-Al2O3-NaCl at increasing concn. of NaCl.

Full paper in Portable Document Format: 179a605.pdf (in Slovak)


Chemical Papers 17 (9) 605–615 (1963)

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