Chronopotentiometric measurements were used to study the diffusion of Np3+ in molten eutectic mixtures (tables 93 and 94).
L.Martinot, G.Duyckaerts: Analytical Letters, 1968, 11, 669-78
Table 93
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 |
Table 94
Activation Energies for the Diffusion of
Np3+ in Molten LiCl-KCl Eutectic
Temperature (C) | Q (kcal/mol) |
400-450 | 8.7 |
450-500 | 8.7 |
500-550 | 6.9 |
550-650 | 6.9 |