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Reference type: Journal
Authors: Yze LH, Yusof NA, Maamor NAM, Azeman NH
Article Title: Fabrication and Characterization of Molecularly Imprinted Polymer for Hg(II) Ion.
Publication date: 2014
Journal: Asian Journal of Chemistry
Volume: 26
Issue: (16)
Page numbers: 5029-5032.
DOI: 10.14233/ajchem.2014.16298
Alternative URL: http://www.asianjournalofchemistry.co.in/user/journal/viewarticle.aspx?ArticleID=26_17_21

Abstract: A molecular imprinted polymer for Hg(II) has been fabricated using free radical polymerization method. The selectivity and binding capability of the fabricated molecular imprinted polymer towards Hg(II) ions in aqueous environment has been carried out. Molecular imprinted polymer was prepared using mercury(II) nitrate dihydrate as the template molecule and vinylcarbazole as the functional monomer. Free template polymer was then used in metal uptake study at different pH, timing and equilibrium concentration. The molecular imprinted polymer shows highest adsorption at pH 6 for 135 min at 40 ppm Hg2+ solution. The kinetic order of the adsorption is second order with equilibrium rate constant 9.0 x 10(-4) min ppm(-1). The adsorption obeys the Langmuir isotherm with maximum adsorption of 10.13 mg g(-1) and Langmuir constant 0.032 gm g(-1). In selectivity study, the distribution coefficient of Hg2+ is much higher than Cd2+ and Zn2+ that is 10443.31, 73.74 and 28.66, respectively
Template and target information: mercury ion, Hg(II)
Author keywords: molecular imprinted polymer, mercury, Free radical polymerization, water, adsorption, HG2+


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