Chronopotentiometric measurements were used to study the diffusion of Cd2+ ions in eutectic melts. The diffusivity of Cd2+ (0.023 to 0.024mol/l) at 450C was equal to 1.80 x 10-5cm2/s. The activation energy, at 390 to 530C, was 9.4kcal/mol.

Chronopotentiometry in Molten Chlorides. Application to the Study of the Electrochemical Properties of U and Pu in LiCl-KCl. A.Leseur: Commission d’Energie Atomique Report CEA-R-3793, 1969

 

Table 77

Diffusion of Np3+ in Molten LiCl-KCl Eutectic

 

Temperature (C)

D (cm2/s)

400

4.60 x 10-6

450

7.10 x 10-6

500

1.08 x 10-5

550

1.44 x 10-5

600

2.04 x 10-5

650

2.69 x 10-5