1. Chem. Depart., Faculty of Appl. Sci., Umm Al-Qura University, Makkah, Saudi Arabia
2. Chem. Depart., Faculty of Sci., Benha University, Benha, Egypt
3. Chem. Depart., College of Sci, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
4. University College of Alwajh, Tabuk University, Alwajh, Tabuk, Saudi Arabia
5. Chem. Depart., Faculty of Sci., King Abdulaziz University, Jeddah, Saudi Arabia
6. Chem. Depart., Faculty of Sci., Tabuk University, Tabuk, Saudi Arabia