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Reference type: Journal
Authors: Firlak M, Çubuk S, Yetimoglu EK, Kahraman MV
Article Title: Recovery of Au(III) ions by Au(III)-imprinted hydrogel.
Publication date: 2016
Journal: Chemical Papers
Volume: 70
Issue: (6)
Page numbers: 757-768.
DOI: 10.1515/chempap-2016-0019
Alternative URL: http://www.degruyter.com/view/j/chempap.2016.70.issue-6/chempap-2016-0019/chempap-2016-0019.xml?format=INT

Abstract: A new Au(III)-imprinted hydrogel (Au(III)-Imp) was prepared by the photopolymerisation of 4- acryloylmorpholine (AcM), 2-hydroxyethyl acrylate (HEA), and poly(ethylene glycol) diacrylate (cross-linking monomer, PEG-DA) in the presence of gold ions. In addition, non-imprinted hydrogel (N-Imp) was similarly prepared without Au(III) ions The Au(III)-Imp hydrogel was characterised by several techniques. To achieve the optimal conditions, effect of pH, time, and initial metal ion concentrations were investigated using a batch system. The pre-concentration factor for Au(III) ions was found to be at least 100. The analytical parameters of the method were determined and the method was also successfully applied to computer circuit board scrap samples. The reusability of the Au(III)-Imp hydrogel was also determined.
Template and target information: gold ion, Au(III)
Author keywords: ion imprinted hydrogel, 4-acryloylmorpholine, gold(III) removal, UV curing

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