By using chronopotentiometric measurements, the diffusivity of ThIV ions in melts was shown to be described by:

log[D (cm2/s)] = -2.1273 – 2504/T

with a value of 3.95 x 10-5cm2/s at 1100K.

V.E.Komarov, N.P.Borodina, V.Y.Kudyakov, Y.V.Posokhin: Elektrokhimiya, 1974, 10[10], 1599-601