1. Department of Chemistry, Faculty of Sciences, Erciyes University, Kayseri, Turkey
2. Technology Research and Application Center, Erciyes University, Kayseri, Turkey
3. Turkish Academy of Sciences (TUBA), Cankaya, Ankara, Turkey
4. Sudan Atomic Energy Commission, Chemistry and Nuclear Physics Institute, Khartoum, Sudan
5. Chemistry Section, College of Science-Scientific Laboratories Department, Sudan University of Science and Technology, Khartoum, Sudan