Author(s):
1. Blanka Skipina, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
2. Dragana Grujić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
3. Adriann Luyt, Center for Advanced Materials, Qatar
4. Duško Dudić, Department of Chemistry, University of the Free State, Private Bag X13, Phuthaditjhaba, 9866 South A, Serbia

Abstract Paper for reviews Final paper