... Nenad Mara{, Slovenko Polanc and Marijan Ko~evar* Faculty of Chemistry and Chemical Technology, University of Ljubljana, A{ker~eva 5, SI-1000 Ljubljana, Slovenia * Corresponding author: E-mail: marijan.kocevar@fkkt.uni-lj.si ... Page 6. 34 Acta Chim. Slov. 2010, 57, 29–36 ...