1. Department of Chemistry, College of Science, University of Ha’il, 81442 Hail, Saudi Arabia
2. Chemistry Department, Faculty of Science (boys), Al-Azhar University, 11884 Nasr City, Egypt
3. Department of Chemistry, College of Science, Tabuk University, 71491 Tabuk, Saudi Arabia
4. Basic Science Department, Preparatory Year, University of Ha’il, 1560 Hail, KSA
5. Egyptian Petroleum Research Institute (EPRI), Nasr City 11251, Cairo, Egypt