Chronopotentiometric measurements were used to study the diffusion of Np3+ in molten eutectic mixtures (tables 77 and 78).

Chronopotentiometric Study of the Reaction Np(III)=Np(IV) + e in Molten LiCl-KCl-Eutectic. L.Martinot, G.Duyckaerts: Analytical Letters, 1968, 11, 669-78