Abstract

In order to carry out electromotive force measurements in molten chlorides at temperatures up to 850°C a reversible formation cell using a chlorine/chloride reference electrode of graphite was constructed. The formation potential of molten AgCl in liquid mixture with KCl and with KCl, LiCl depending on temperature was determined for several concentrations. The excess properties of the binary system AgCl, KCl were calculated. An analytical thermodynamical description of the ternary system AgCl, KCl, LiCl was made by means of literature data for the appropriate binary systems employing the Redlich-Kister equation for the integral excess free energy. The results achieved thereby were verified by the measurements made in this work.

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