1. Institute of Inorganic Chemistry of the Czech Academy of Sciences, 250 68 Řež, Czech Republic
2. Centre for Analysis and Synthesis, Lunds Universitet, Naturvetarvägen 14, Lund 222-61, Sweden
3. Fuel Cycle Chemistry Department, ÚJV Řež a.s., 250 68 Řež, Czech Republic
4. Institute of Chemical Process Fundamentals of the Czech Academy of Sciences, Rozvojova 135, Prague 160 00, Czech Republic