Synthesis of Molecularly Imprinted Polymer for the Selective Removal of Mercury
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National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, PAKISTAN
International Centre for Chemical and Biological Science, University of Karachi, Karachi, PAKISTAN
Institute of Physics, University of Sindh, Jamshoro, PAKISTAN
Online publication date: 2018-09-30
Publication date: 2018-09-30
Eurasian J Anal Chem 2018;13(5):em61
An adsorbent consisting of Hg2+ ion imprinted polymer (IIP) was prepared and used for removal of Hg2+ from real water samples. IIP was synthesized by utilizing 1-vinylimmidazole and methacrylic acid as complexing agent and monomer. IIP was characterized by FT-IR, SEM and EDX to investigate the functionality, morphology and elemental analysis. Adsorption isotherms and kinetics of Hg2+ ion on Hg2+ imprinted polymer have been studied and adsorption phenomenon of IIP was found to follow the Langmuir isotherm and pseudo second order kinetic model. Other parameters such as pH, temperature, shaking speed, and agitation time affecting the adsorption of Hg2+ were also optimized. The relative selectivity coefficient of imprinted polymer for Hg2+ / Cu2+, Hg2+ / Cr3+, Hg2+ /Co2+ were 122, 103, 76, respectively.
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