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K. Jawad, S.; M. Ali, A. A.; Kh. Hassan, A. Synthesis of New Ligand As Imidazole Derivative 2-[α-Naphthylazo]-4,5-Diphenylimidazole and Its Application about Extraction of Copper (II) and Sliver (I) from Aqueous Solutions. J. K. Chem. Sci. 2010.