2014. With Solvent Extraction Method, and via new Organic Reagent 2-(Benzo thiazolyl azo)-4,5- Diphenyl Imidazole for Spectrophotometric Determination of Copper (II) in different Samples . Baghdad Science Journal. 11, 1 (Mar. 2014), 147–157. DOI:https://doi.org/10.21123/bsj.2014.11.1.147-157.