Redox potentials of actinides
Chemistry of Actinides. Complexes and Solids in Aqueous Medias

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Redox potentials of actinides


Chemistry of Actinides. Complexes and Solids in Aqueous Medias

Author : Thomas VERCOUTER

Publication date: August 10, 2021 | Lire en français

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3. Redox potentials of actinides

3.1 Context

It is essential to define the domains of existence of each oxidation state, defined by the redox potentials of each couple. The potential values given below are expressed relative to a standard hydrogen electrode (V/ESH).

The reduction potential of the An 3+ /An couple is very negative, between -1.7 and -2.1 V depending on the actinide: an An actinide metal is oxidized in an acid solution to the An 3+ ion where it is dissolved :

An(s)+3H+(aq)An3+(aq)+32H2( g)
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