Opurum JI, Cookey G .A., Obunwo CC. Adsorption of Pb (II) Ions from Aqueous Solution by Citric Acid Modified and Unmodified Cucumeropsis manii (Melon) Pod Husks. JCSN [Internet]. 2019Nov.4 [cited 2025May13];44(6). Available from: http://www.journals.chemsociety.org.ng/index.php/jcsn/article/view/369