S. M. Hameed, R. K. Al-Kubaisy, and K. I. Hussain, “Liquid Ion Exchange Method for Extraction of Pb (II) as Anion by Using 15C5 Coupled with Spectrophotometric Determination in Different Samples”, J. K. Chem. Sci., no. 10, Mar. 2016, Accessed: Aug. 29, 2026. [Online]. Available: https://journal.uokufa.edu.iq/index.php/jkcs/article/view/3400