Ali, I. R., Makki, N. F., & Nassir, N. A. A.- hassan. (2016). Extraction of Nickel (II) From Aqueous Solutions By Using 2-[ (4-Bromo Phenyl) Azo]-4,5-Diphenyl Imidazole. Journal of Kufa for Chemical Sciences, (6). Retrieved from https://journal.uokufa.edu.iq/index.php/jkcs/article/view/3414