Oscillopolarographic methods were used to study the diffusion of Pb2+ in the molten eutectic. The diffusivity, at temperatures ranging from 648 to 813K, could be described by:

log [D (cm2/s)] = 2.547 – 1598/T(K)

and the activation energy was equal to 30.5kJ/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