1. Institute of Physical and Theoretical Chemistry, University of Regensburg, D-93040 Regensburg, Germany
2. School of Chemical Engineering and Analytical Sciences, The University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom
3. Institut de Chimie Séparative de Marcoule, UMR 5257 (CEA/CNRS/UM2/ENSCM), 30206 Bagnols sur Céze, France