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In situ beam reduction of Pu(IV) and Bk(IV) as a route to trivalent transuranic coordination complexes with hydroxypyridinone chelators

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X-ray absorption spectroscopy was used to probe the interactions between an octadentate hydroxypyridinone chelator and two transuranic elements in microgram quantities – plutonium and berkelium – within buffered solutions. Despite… Click to show full abstract

X-ray absorption spectroscopy was used to probe the interactions between an octadentate hydroxypyridinone chelator and two transuranic elements in microgram quantities – plutonium and berkelium – within buffered solutions. Despite the precedence for chelation-driven stabilization of the tetravalent oxidation state of actinides with this ligand, in situ reductive decomposition yielded plutonium(III) and berkelium(III) coordination complexes.

Keywords: coordination complexes; reduction route; beam reduction; situ beam; hydroxypyridinone

Journal Title: Journal of Synchrotron Radiation
Year Published: 2022

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