1. Faculty of Sciences and Arts, Department of Chemistry, Erzincan University, Erzincan, Turkey
2. Cayirli Vocational School, Department of Medical Services and Technology, Erzincan University, Erzincan, Turkey
3. Gumushane Vocational School, Department of Chemical and Chemical Processing Technologies, Laboratory Technology Program, Gumushane University, Gumushane, Turkey
4. Department of Chemistry, Faculty of Sciences, Atatürk University, Erzurum, Turkey