The chronopotentiometric method was used to study the diffusion of UO22+ in melts. For temperatures ranging from 924 to 1150C, and for U contents of 0.2 to 0.8mol%, the results could be described by:

log[D (cm2/s)] = -2.71-2190/T(K)

V.E.Komarov, N.P.Borodina: Elektrokhimiya, 1977, 13[8], 1261-3