Chronopotentiometric methods were used to investigate the interdiffusion of Ag+ ions in melts. The diffusivity at 710C was equal to 6.95 x 10-5cm2/s. The data for temperatures ranging from 710 to 880C could be described by:

D (cm2/s) = 1.91 exp[-6.411(kcal/mol)/RT]

Interdiffusion Coefficient of the Ag Ion in Molten Alkali Chlorides by the Chronopotentiometric Method. S.Sternberg, C.Herdlicka: Revue Roumaine de Chimie, 1972, 17[1-2], 343-52

Table 141

Diffusion Parameters for Hf2+ in

Equimolecular NaCl-KCl Melts at 700 to 900C