The Kinetics and Effect of pH on Removal of Manganese, Cadmium and Lead from Aqueous Solution by Maize Cobs. GJSFR [Internet]. 2012 Nov. 8 [cited 2026 Aug. 13];12(B6):29-38. Available from: https://www.journalofscience.org/index.php/GJSFR/article/view/440