Chronopotentiometric methods were used to study the diffusion of U4+ ions in eutectic melts. The diffusivity at 840C was equal to 1.9 x 10-5cm2/s.

Electrochemical Properties of U, Ce and Zr in Lithium Fluoride-Barium Fluoride Eutectic. R.Cartier: Commission d’Energie Atomique Report CEA-R-3792, 1969