**Author details**

Riadh Marzouki1,2,3\*, Mahmoud A. Sayed4,5, Mohsen Graia2 and Mohamed Faouzi Zid3

1 Chemistry Department, College of Science, King Khalid University, KSA

2 Chemistry Department, Faculty of Sciences, University of Sfax, Tunisia

3 Chemistry Department, Faculty of Sciences, University of Tunis El Manar, Tunisia

4 Physics Department, Faculty of Science, King Khalid University, KSA

5 Physics Department, Faculty of Science, Al-Azher University, Assiut, Egypt

\*Address all correspondence to: riadh.marzouki@hotmail.fr

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

**25**

*Cobalt Phosphates and Applications*

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