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The Molar Volume of Molten Mixtures of MCl-LnCl2 (M = Alkali Metals, Ln = Lanthanoides)

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The Molar Volume of Molten Mixtures of MCl-LnCl

2

(M = Alkali Metals, Ln = Lanthanoides)

Alexei Potapova, Vladimir Khokhlova, and Nina Korostelevab

aInstitute of High Temperature Electrochemistry, Ekaterinburg, Russia

bUral State Technical University, Ekaterinburg, Russia Reprint requests to Prof. A. P.; E-mail: A.Potapov@ihte.uran.ru Z. Naturforsch.63a,203 – 209 (2008); received July16, 2007

Presented at the EUCHEM Conference on Molten Salts and Ionic Liquids, Hammamet, Tunisia, September 16 –22, 2006.

Empirical equations for the densityand molar volume of molten binarymixtures of MCl-LnCl2

and MCl-MeCl2(M = alkali metals; Ln = lanthanoides; Me = Ca, Sr, Ba) based on the densityof individual components are suggested. The equations, taking into account the deviations of the molar volumes from their additive values, are applicable to all binarysystems involving known rare earth dichlorides.

Key words:Molten Salts; Rare Earth Elements; Dichlorides; Density.

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