Synthesis, Characterization and Selective Recognition of Lead Using a New Ion Imprinted Polymer Material


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A new ion-imprinted polymer (IIP) material was synthesized by copolymerization of 4-vinylpyridine(VP) as monomer, ethylene glycol dimethacrylate(EGDMA) as crosslinking agent and 2,2΄-azobisisobutyronitrile(AIBN) as initiator in the presence of Pb–1,5-diphenylcarbazone(Pb-DHCB) complex. Blank non-imprinted polymer (NIP) were prepared under identical conditions without the use of lead imprint ion. The synthesized polymers were characterized by IR spectroscopy and elemental analyzer techniques. Of the several polymers synthesized, only the imprinted polymer formed with binary complex of Pb2+–DHCB showed quantitative enrichment of lead ion from aqueous solution. The relative standard deviation of the five replicate determinations of Pb (II) was3.26%. The detection limit for 150 mL of sample was 1.6 µg L-1 using flame atomic absorption spectrometry. The developed method was successfully applied to the determination of trace lead in environmental samples with satisfactory results.



Advanced Materials Research (Volumes 306-307)

Edited by:

Shiquan Liu and Min Zuo




H. Y. Zhuang et al., "Synthesis, Characterization and Selective Recognition of Lead Using a New Ion Imprinted Polymer Material", Advanced Materials Research, Vols. 306-307, pp. 688-691, 2011

Online since:

August 2011




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