1. Chem. Depart. Faculty of Applied Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
2. Chem. Depart. Faculty of Science, Benha University, Benha, Egypt
3. University College of Alwajh, Tabuk University, Tabuk, Saudi Arabia
4. Chem. Depart. Faculty of Science, Tabuk University, Tabuk, Saudi Arabia
5. Chem. Depart., Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia