1. Regional Centre of Advanced Technologies and Materials, Department of Analytical Chemistry, Faculty of Science; Palacký University in Olomouc; 17. listopadu 12; 771 46; Olomouc; Czech Republic
2. J. Heyrovský Institute of Physical Chemistry; Academy of Sciences of the Czech Republic; Dolejškova 3; 182 23; Prague 8; Czech Republic
3. Department of Analytical Chemistry, Faculty of Science; Palacký University in Olomouc; 17. Listopadu 12; 771 46; Olomouc; Czech Republic