Abstract
Potentiometric method was used to measure the redox potentials of Yb3+/Yb2+ in a eutectic melt of sodium and cesium chlorides relative to a chlorine reference electrode in the temperature range 823–973 K. The basic thermodynamic characteristics of the redox reaction YbCl2(s.) + 1/2Cl2(g.) ai YbCl3(s.) were calculated from the conditional standard potentials E*(Yb3+/Yb2+).
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