1. College of Education, Department of Chemistry, Basrah University, Basrah, Iraq
2. Education Directorate of Thi-Qar, Ministry of Education, Thi-Qar, Iraq
3. College of Pharmacy, University of Kufa, AL-Najaf, Iraq
4. Education Directorate of Basrah, Ministry of Education, Basrah, Iraq
5. College of Education for Pure Sciences, Department of Chemistry, Basrah University, Basrah, Iraq
6. Department of Marine Environmental Chemistry, Marine Science Center, University of Basrah, Basrah, Iraq