1. Central Metallurgical Research & Development Institute
2. Helwan
3. Egypt
4. Department of Inorganic Nonmetallic Materials
5. University of Science and Technology Beijing
6. Faculty of Science
7. Chemistry department
8. Al-Azhar University
9. Nasar City
10. Institut Européen des Membranes
11. IEM UMR-5635
12. Université de Montpellier
13. ENSCM
14. CNRS