1. Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
2. Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
3. Department of Chemistry, College of Science, University of Tabuk, Tabuk, Saudi Arabia
4. Department of Chemistry, College of Science, Taibah University, Al-Madinah, Saudi Arabia
5. Egyptian Propylene and Polypropylene Company, Port Said, Egypt
6. Chemistry Department, Faculty of Science, Damietta University, Damietta, Egypt