The chronopotentiometric method was used to study the diffusion of Mg ions in molten samples (table 89).

G.A.Kotelnikova, P.V.Polyakov: Izv. Vyssh. Uchebn. Zaved., Tsvetn. Metall., 1975, 5, 153-5

 

Table 89

Diffusivity of Mg Ions in KCl-NaF Melts at 750 to 850C

 

NaF

log[D(cm2/s)]

Q (kJ/mol)

0.00318

-1.48-2610/T

50.05

0.00701

-1.23-3100/T

59.90

0.0287

-1.26-3470/T

67.00