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Recovery of Au(III) ions by Au(III)-imprinted hydrogel by Melike Fırlak; Soner Çubuk; Ece Kök Yetimoğlu; Memet V. Kahraman is a Chemistry article available to read on EtoBox.

What is Recovery of Au(III) ions by Au(III)-imprinted hydrogel about?

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.

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Author

Melike Fırlak; Soner Çubuk; Ece Kök Yetimoğlu; Memet V. Kahraman

Published

2016

Language

EN

Field

Chemistry (Physical Sciences)