The diffusion of Zr4+ ions in KCl melts was studied using chronopotentiometry. It was found that the results, for temperatures of between 1073 and 1195K, could be described by:

log[D (cm2/s)] = -2.10 – 2600/T

V.E.Komarov, M.V.Smirnov, N.P.Borodina: Tr. Inst. Elektrokhim. Ural. Nauch. Tsentr., Akad. Nauk SSSR, 1971, 17, 49-55