The diffusion of Zr4+ ions in KCl melts was studied using chronopotentiometry. It was found that the results, for temperatures of between 1073 and 1195K, could be described by:

log[D (cm2/s)] = -2.10 – 2600/T

V.E.Komarov, M.V.Smirnov, N.P.Borodina: Tr. Inst. Elektrokhim. Ural. Nauch. Tsentr., Akad. Nauk SSSR, 1971, 17, 49-55

 

Table 75

Parameters for Chemical Diffusion in

KCl/RbCl Couples at 625 to 687C

 

KCl (mol%)

Do (cm2/s)

Q (eV)

0.10

0.075

1.44

0.15

0.079

1.44

0.20

0.028

1.36

0.25

0.060

1.42

0.30

0.13

1.49

0.35

0.40

1.58

0.40

0.31

1.57

0.45

0.25

1.55

0.50

0.39

1.60

0.55

1.6

1.72

0.60

2.5

1.76

0.65

3.3

1.79

0.70

1.6

1.73

0.75

0.87

1.68

0.80

0.27

1.59

0.85

0.17

1.55