1. Department of Chemistry, Faculty of Science, Al-Azhar University (Girls Branch), Youssef Abbas Str. Cairo, Egypt
2. Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
3. Department of Petrochemicals, Egyptian Petroleum Research Institute, Nasr City, Cairo, Egypt
4. Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt