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Reference type: Journal
Authors: Bae SY, Southard GL, Murray GM
Article Title: Molecularly imprinted ion exchange resin for purification, preconcentration and determination of UO22+ by spectrophotometry and plasma spectrometry.
Publication date: 1999
Journal: Analytica Chimica Acta
Volume: 397
Issue: (1-3)
Page numbers: 173-181.
DOI: 10.1016/S0003-2670(99)00402-X

Abstract: A new ion exchange resin based on a UO22+ imprinted polymer was used for the removal and concentration of UO22+ from aqueous solution prior to spectroscopic determination. The imprinted resin performance is compared with results obtained using Chelex-100 ion exchange resin. The UO22+ ion imprinted resin, being more selective towards UO22+ ion, provides a fast and virtually interference-free preconcentration procedure. The separation provides for the elimination of interferences in photometry and plasma spectroscopy, improves accuracy and lowers limits of detection. The performance of the imprinted resin allows for the development of a field test kit for the determination of UO22+ in environmental samples based on colorimetric analysis. A mini-column permitted large enrichment factors to be attained, provided rapid processing of large volumes and quantitative recovery of UO22+ With an eluent suitable for photometric analysis. (C) 1999 Elsevier Science B.V. All rights reserved
Template and target information: urnayl ion, UO2 2+

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