1. Basic Science Department, Preparatory Year, University of Ha'il, Hail, 1560, Saudi Arabia
2. Chemistry Department, Faculty of Science, Al-Azhar University, 11884, Cairo, Egypt
3. Petroleum Applications Department, Egyptian Petroleum Research Institute, Cairo, 11727, Egypt
4. Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia