1. Department of Chemistry, Faculty of Science; Dicle University; 21280 Diyarbakir Turkey
2. Department of Science, Faculty of Education; Dicle University; 21280 Diyarbakir Turkey
3. Department of Chemistry, Faculty of Education; Dicle University; 21280 Diyarbakir Turkey
4. Science and Technology Application and Research Center; Dicle University; 21280 Diyarbakir Turkey