By using chronopotentiometric measurements, the diffusion of ThIV ions in melts at 1000 to 1200K was shown to be described by:
log[D (cm2/s)] = -2.1382 – 2331/T
with a value of 5.53 x 10-5cm2/s at 1100K.
V.E.Komarov, N.P.Borodina, V.Y.Kudyakov, Y.V.Posokhin: Elektrokhimiya, 1974, 10[10], 1599-601