Self-diffusion coefficients in the molten eutectic composition were measured by using a capillary method and 24Na tracers. The resultant data, for 504 to 616C, could be described by:

D (m2/s) = 4.28 x 10-7 exp[-36.2(kJ/mol)/RT]

N.Umesaki, N.Iwamoto, Y.Tsunawaki, H.Ohno, K.Furukawa: Faraday Transactions, 1981, 77[1], 169-75