1. Chemistry Department, Faculty of Science, King Khalid University, 9004 Abha, Saudi Arabia
2. Chemistry Department, Faculty of Science, Mansoura University, 35516 Mansoura, Egypt
3. Department of Chemistry, Faculty of Science (Men's Campus), Al-Azhar University, Nasr City 11884, Cairo, Egypt
4. Egyptian Petroleum Research Institute, Nasr City, 11727, Cairo, Egypt