The reduction of CrIII was studied, by means of cyclic voltammetry, in a eutectic melt at 500C. The diffusivity of Cr3+ was found to be equal to 5 x 10-6cm2/s.
Electrochemical Reduction of Cr(III) in Molten LiCl - KCl Eutectic. S.C.Levy, F.W.Reinhardt: Journal of the Electrochemical Society, 1975, 122[2], 200-4