1. Chemistry Department, Faculty of Science, Kafr El-Sheikh University, 33516 Kafr El-Sheikh, Egypt
2. Chemistry Department, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt
3. Analytical and Electrochemistry Research Unit, Chemistry Department, Faculty of Science, Tanta University, Gharbia, 31527-Tanta, Egypt
4. Chemistry Department, University College in Al-Jamoum, Umm Al-Qura University, Makkah, Saudi Arabia
5. Chemistry Department, Faculty of Science, Zagazig University, Zagazig, Egypt