The diffusion of 35S was studied at 700 to 900C. The results could be described by:

D (cm2/s) = 3.46 x 101 exp[-55.3(kcal/mol)/RT]

P.L.Gruzin, V.V.Mural, A.P.Fokin: Fizika Metallov i Metallovedenie, 1972, 34[6], 1326-8