الفهرس 
General IntroductionOnly 14 pages are availabe for public view
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Abstract
All my praise, gratitude and thanks to ALLAH, who enabled me to complete this work.
All my thanks are not enough to express my feelings of sincere gratitude to my main supervisor Professor Dr. Fathallah Belal, Professor of Analytical Chemistry, Faculty of Pharmacy, University of Mansoura; for his guidance, moral support, valuable and available instructions that he offered me during performing this work.
I would like to express my sincere thanks to Professor Dr. Ghada Hadad, Professor of Analytical Chemistry Department, Faculty of Pharmacy, Suez Canal University, for her valuable supervision, her helpful advice throughout the work.
I would like to express my sincere thanks to Professor Dr. Randa Abdel Salam, Professor of Analytical Chemistry Department, Faculty of Pharmacy, Suez Canal University, for her valuable supervision, her helpful advice throughout the work.
I would like to thank Dr.Heba Mohamed Hassan Elmansi, Assistant Professor of Analytical Chemistry Department, Faculty of Pharmacy, University of Mansoura, for her valuable instructions, enthusiastic guidance, kind supervision and sincere help that she presented to me during conducting this research.
Thanks to all the staff members and to my colleagues, technicians, employees and to all the staff members in the analytical chemistry department Horus university, for their helpful support and faithful discussions that made this work possible.