1. Institute for Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark
2. Laboratoire Environnement et
Minéralurgie, Nancy-University,
CNRS UMR 7569, 15 avenue du Charmois, B.P. 40, 54501 Vandoeuvre-lès-Nancy
Cedex, France
3. CABE, Section
de Chimie, University of Geneva, Sciences
II, Quai Ernest-Ansermet 30, CH-1211 Geneva 4, Switzerland
4. Laboratory of Physical Chemistry
and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands