[1] VSB Tech Univ Ostrava, 17 Listopadu 15, Ostrava 70833, Czech Republic
[2] Charles Univ Prague, Fac Sci, Prague, Czech Republic
[3] VSCHT Inst Chem Technol, Fac Chem Technol, Prague, Czech Republic
[4] AGH Univ Sci & Technol, Fac Min & Geoengn, PL-30059 Krakow, Poland