Issue 44, 2018, Issue in Progress

Preparation of polymethacrylate monolith modified with cysteine for the determination of Cr(iii) ions

Abstract

In this study, a simple and rapid polymer monolith microextraction procedure was developed for the determination of Cr(III) ions by inductively coupled plasma-atomic emission spectrometry. A monolithic column modified with cysteine was synthesized and characterized by scanning electron microscopy, Fourier-transform infrared spectroscopy, X-ray photoelectron spectroscopy, thermal gravimetric analysis, specific surface area analysis and pore size distribution analysis. The influences of analytical parameters such as sample pH, adsorption time, eluent type, and coexisting ions were examined. The limit of detection (LOD) and limit of quantification (LOQ) for Cr(III) ions were 0.005 μg mL−1 and 0.017 μg mL−1, and the relative standard deviation (RSD) was 7.4% (n = 5). The prepared cysteine functionalized monolithic column displayed good enrichment capacity and was successfully applied to the determination of Cr(III) ions in real samples.

Graphical abstract: Preparation of polymethacrylate monolith modified with cysteine for the determination of Cr(iii) ions

Article information

Article type
Paper
Submitted
09 Feb 2018
Accepted
29 Jun 2018
First published
10 Jul 2018
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2018,8, 24906-24912

Preparation of polymethacrylate monolith modified with cysteine for the determination of Cr(III) ions

D. Liu, J. Pan, J. Tang and N. Lian, RSC Adv., 2018, 8, 24906 DOI: 10.1039/C8RA01287C

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