“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 ”. 2014. Baghdad Science Journal 11 (1): 147-57. https://doi.org/10.21123/bsj.2014.11.1.147-157.