Chronopotentiometry was used to measure diffusion data for AgI. It was found that the diffusivity at 450C was equal to 2.3 x 10-5cm2/s, and that the results for temperatures ranging from 400 to 600C could be described by:

D (cm2/s) = 1.32 x 10-3 exp[-5.8(kcal/mol)/RT]

Determination des Coefficients et des Enthalpies d'Activation de Diffusion de Quelques Cations dans l'Eutectique LiCl-KCl Fondu par Chronopotentiometrie. J.C.Poignet, M.J.Barbier: Electrochimica Acta, 1972, 17[7], 1227-33

 

Table 97

Diffusivity of U in Molten LiCl-CsCl Eutectic

 

Valency

Temperature (C)

D (cm2/s)

UIII

398

6.0 x 10-6

UIII

420

8.1 x 10-6

UIII

502

1.6 x 10-5

UIII

514

1.7 x 10-5

UIII

598

2.4 x 10-5

UIV

400

5.1 x 10-6

UIV

445

7.8 x 10-6

UIV

530

1.6 x 10-5

UIV

532

1.6 x 10-5

UIV

593

2.3 x 10-5