By using a rotary disk method (measurement of weight gain and radius increase during chloriding), a study was made of the diffusion of Cl. The diffusivity at 910C was 5.13 x 10-4, while that at 950 was 4.33 x 10-4cm2/s.

Diffusion Coefficients of Cl Dissolved in Chloride Melts. A.B.Bezukladnikov, V.A.Bezvoritnii: Fiz. Khim. Elektrokhim. Rasplav. Solej Shlakov, 1968, 262-5