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Mechanism of chemiluminescent reaction of U 4+ with oxygen in weakly acidic aqueous solutions (2014)

Springer

In: Radiochemistry

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Publication Date: 2014-10-24

Description: The mechanism of the chemiluminescent reaction of U(IV) oxidation with atmospheric oxygen is substantiated using published data. The suggested mechanism includes the initiating step of successive oxidation of U(IV) and U(V) with the formation of the excited ion [UO 2 2+ ·aq]*, which forms with an unexcited ion UO 2 2+ ·aq an excimer [UO 2 2+ ·aq⋯UO 2 2+ ·aq]*. The decay of the excimer yields H 2 O 2 and two U(V) ions, causing the development of the chain process of the U(IV) oxidation.

Print ISSN: 1066-3622

Electronic ISSN: 1608-3288

Topics: Chemistry and Pharmacology

Published by Springer

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