The diffusion of 35S was studied at 700 to 1200C. The results could be described by:

D (cm2/s) = 1.7 x 102 exp[-61.2(kcal/mol)/RT]

P.L.Gruzin, V.V.Mural, A.P.Fokin: Fizika Metallov i Metallovedenie, 1971, 32[1], 208-12