1. Research Centre for Radwaste Disposal and Williamson Research Centre for Molecular Environmental Science, Department of Earth and Environmental Sciences, The University of Manchester, ManchesterM13 9PL, U.K.
2. The Rossendorf Beamline at ESRF─The European Synchrotron, CS40220, Grenoble Cedex 938043France
3. Institute of Resource Ecology, Helmholtz Zentrum Dresden Rossendorf (HZDR), Dresden01314, Germany
4. Department of Chemistry, The University of Manchester, ManchesterM13 9PL, U.K.
5. The University of Manchester at Harwell, The University of Manchester, Diamond Light Source, Harwell Campus, DidcotOX11 0DE, U.K.
6. National Nuclear Laboratory, WarringtonWA3 6AE, Cheshire, U.K.