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N. Boujelben, J. Bouzid and Z. Elouear, “Adsorption of Nickel and Copper onto Natural Iron Oxide-Coated Sand from Aqueous Solutions: Study in Single and Binary Systems,” Journal of Hazardous Materials, Vol. 163, No. 1, 2009, pp. 376-382. doi:10.1016/j.jhazmat.2008.06.128

has been cited by the following article:

• TITLE: The Uptake of Copper(II) Ions by Chelating Schiff Base Derived from 4-Aminoantipyrine and 2-Methoxybenzaldehyde

  AUTHORS: Chuan-Wei Oo, Hasnah Osman, Sharon Fatinathan, Maizatul Akmar Md. Zin

  KEYWORDS: Schiff Base; Adsorption; Copper(II) Ions; Isotherm; Kinetics

  JOURNAL NAME: International Journal of Nonferrous Metallurgy, Vol.2 No.1, January 25, 2013

  ABSTRACT: The Schiff base, 4-[(2-methoxybenzylidene)amino]-1,5-dimethyl-2-phenyl-1H-pyrizol-3(2H)-one (SB), was used for the first time to adsorb copper(II) ions in aqueous solution. Various parameters such as initial pH, agitation period and different initial concentration of copper(II) ions which influenced the adsorption capacity were investigated. The equilibrium adsorption data for copper(II) ions were fitted to Langmuir, Freundlich and Dubinin-Radushkevish isotherm models. The maximum monolayer adsorption capacity of SB as obtained from Langmuir isotherm was 5.64 mg/g. Kinetic data correlated well with the pseudo second-order kinetic model indicating that chemical adsorption was the rate limiting step.