Oscillopolarographic methods were used to study the diffusion of Cr3+ in the molten eutectic. The diffusivity, at temperatures ranging from 690 to 807K, could be described by:

log [D (cm2/s)] = 2.197 – 2278/T(K)

and the activation energy was equal to 43.5kJ/mol.

Oscillopolarographic Study of the Temperature Dependences of Diffusion Coefficients for a Series of Chlorides in LiCl-KCl. I.I.Naryshkin, V.P.Yurkinskii: Elektrokhimiya, 1969, 5[6], 871-2