Post Graduate Studies Committee under presidency of Prof. Dr. Mohamed Abd Allah El Fakhrany has approved in its session that was held in January to register the master thesis degree at Chemistry of the student\ Sara Noor El Din Afify under supervision of Dr. Helmy El Sayed Mijahid, Ass.Prof. at department of Chemistry at faculty of Science , Benha University and Dr. Mohamed Sobhy Metaweh , the lecturer at department of Chemistry , faculty of Science , Benha University.