The chronopotentiometric method was used to study the diffusion of Ag ions in eutectic melts of the KCl-ZnCl2 system (31.4mol%ZnCl2). The results, for temperatures ranging from 450 to 550C, could be described by: D (cm2/s) = 3.09 x 10-3 exp[-7.6(kcal/mol)/RT]

O.G.Zarubitskii, A.A.Omelchuk: Ukrainski Khimicheski Zhurnal, 1976, 42[12], 1318-9

 

Table 91

Diffusivity of 42K in the KCl-RbCl System at 660C

 

RbCl (mol%)

D (cm2/s)

0

2.70 x 10-10

10

3.35 x 10-10

20

4.02 x 10-10

30

4.68 x 10-10

40

5.31 x 10-10

50

5.97 x 10-10

60

6.66 x 10-10

70

7.11 x 10-10

80

7.06 x 10-10

90

6.95 x 10-10

100

6.80 x 10-10