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DOI: 10.1039/A705520J (Paper) Reference Section for: J. Anal. At. Spectrom., 1998, 13, 1177-1180

Photometric method for the determination of Pb2+ followingseparation and preconcentration using a templated ion-exchange resin

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Sue Y. Bae, Xiangfei Zeng and George M. Murray

Abstract

A novel Pb2+ ion-exchange resin based on a Pb2+ ion templated polymer was used for removal and preconcentration of Pb2+ from tap and sea-water. The results from the templated resin were compared with results obtained using three other ion-exchange resins: Chelex-100, thiol-based Duolite GT-73 and a proprietary NASA polyacrylic acid resin. The ion templated resin, being most selective toward Pb2+ ions, provides a fast and virtually interference-free preconcentration procedure. The templated resin also offers an opportunity for a field-ready test kit for the determination of Pb2+ in environmental samples based on colorimetric analysis.

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