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The anodic dissolution of uranium dioxide—II. In carbonate solutions
Journal article   Peer reviewed

The anodic dissolution of uranium dioxide—II. In carbonate solutions

M.J. Nicol and C.R.S. Needes
Electrochimica Acta, Vol.22(12), pp.1381-1384
1977
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Abstract

The anodic dissolution of uranium dioxide in alkaline carbonate solutions has been studied. Steady-state potentiostatic and cyclic voltammetric measurements have been shown to be consistent with a mechanism that involves a rate-determining two-electron transfer reaction. The presence of insulating uranium(VI) films on the surface at high anodic potentials has been confirmed by the use of ring-disc electrode measurements and characterized by X-ray-diffraction analyses. The dissolution behaviour of the films has been characterized and compared with that of samples of synthetic uranium trioxide and uranyl carbonate.

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