Publications Repository - Helmholtz-Zentrum Dresden-Rossendorf
1 PublicationSpeciation of U4+ in high concentrated [Cl-] solutions with a spectro-electrochemical cell
Hennig, C.
Abstract
The coordination of the U(IV) and U(VI) ions as a function of the chloride concentration in aqueous solution has been studied by U LIII-edge extended X-ray absorption fine structure (EXAFS) spectroscopy. The oxidation state of uranium was changed in situ using a gas-tight spectro-electrochemical cell, specifically designed for the safe use with radioactive solutions. For U(IV) the complexes U(H2O)8Cl3+, U(H2O)6-7Cl2
2+ and U(H2O)5Cl+.
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Invited lecture (Conferences)
ACTINET Coordination Meeting "Electrochemistry of Ionic Liquids" 8.11.2004, Strasbourg, France
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