Extraction of nikel (II) frome aqueous solution by using 2-[α- Naphthyl azo ] -4,5-diphenyl imidazol

Abstract

Extraction of nikel (II) from aqueous solution by use new ligand 2-[α- is [1] NADPI) which is prepared as in study -α(diphenyl imidazol -4,5-Naphthyl azo ] proposed as a sensitive and selective analytical reagent for the extractive he optimum , this study shows t+2spectrophotometric determination and extraction of Niminutes) for shaking 10= 9) , also the two layers need(exwas (pH +2NipH for extraction to reach the novel equilibrium ,as well as the optimum concentration of Ni(II) for high study shows the ic M) ,stoichiometr 4-) (1.022 x 10+2 extraction ability was ( 30 μg Nimore probable structure of ion pair complex extracted was(1:1) (metal: ligand ) [Ni (α-, so that organic solvent studies shows there is not any linear relation 2 )-(Cl+2 NADPI)]between distribution ratio (D) and dielectric constant (Æ) for organic solvents used,at NADPI)-α (ions and ligand+2 later thermodynamic study shows the reaction between Niwas endothermic reaction