1. Ionizing radiation metrology laboratory, National Institute of standards, Cairo, Egypt
2. Physics Department, Faculty of Science, Tanta University, Tanta, Egypt
3. Chemistry Department, College of Science, Taif University, Taif, Saudi Arabia
4. Chemical and Materials Engineering Department, King Abdulaziz University, Rabigh, Saudi Arabia
5. Chemical Engineering Department, Faculty of Engineering, Alexandria University, Alexandria, Egypt
6. Chemistry Department, Faculty of Science, Port-Said University, Port-Said, Egypt
7. Department of Chemical Engineering, Faculty of Engineering, Port Said University, Port Fouad, Egypt
8. Materials Science Program, Zewail City of Science and Technology, Giza, Egypt
9. Chemistry Department, Faculty of Science - New valley, Assiut University, Assiut, Egypt