An electrolytic cell technique was used to study the diffusion of Be ions in equimolecular melts. Using Be concentrations of 0.108 or 0.18%, and temperatures of between 680 and 800C, the resultant diffusivities could be described by:
log[D (cm2/s)] = -2.278 - 2339/T
Diffusion Coefficients for Be in a Melt of KCl and NaCl. I.F.Nichkov, E.A.Novikov, S.P.Raspopin, V.P.Butorov: Zhurnal Prikladnoi Khimii, 1969, 42[12], 2828-9