Determination of 10 chlorinated phenols in textiles by high performance liquid chromatography with hollow fiber liquid phase micro-extraction

doi:10.3724/SP.J.1123.2016.05012

Abstract

Abstract:

A method was investigated for the determination of 10 chlorinated phenols in textiles by hollow fiber liquid phase micro-extraction (HF-LPME) coupled with high performance liquid chromatography (HPLC). The experimental conditions of hollow fiber liquid-phase micro-extraction were optimized, such as the nature of organic solvent, the concentration of acceptor phase, stirring rate, extraction time. The optimum extraction conditions were as follows: hexane was used as the organic solvent; the concentration of NaOH solution as acceptor phase was 0.10 mol/L; the stirring rate was 600 r/min; and the extraction time was 60 min. Under the optimal conditions, the calibration curves of the 10 chlorinated phenols were obtained in the range of 0.01-1.00 mg/L (r>0.999); the limits of detection (S/N=3) of the chlorinated phenols were 0.01 mg/kg; and the enrichment factors were 95-101. The proposed method was applied for the determination of the 10 chlorinated phenols in real textile samples. The average recoveries were in the range of 78.8%-105.1% at the spiked levels of 0.01, 0.05 and 0.1 mg/kg; and the relative standard deviations (RSDs) were in the range of 0.3%-7.3%. This method is sensitive, simple, accurate and suitable for the determination of chlorinated phenols in textile samples.

Key words: chlorinated phenols, high performance liquid chromatography (HPLC), hollow fiber (HF), liquid phase micro-extraction (LPME), textiles

CLC Number:

O658

GAO Yonggang, NIU Zengyuan, ZHANG Yanyan, YE Xiwen, BAO Yan, CAI Fa, WANG Xin, SU Jie, QU Jingwu. Determination of 10 chlorinated phenols in textiles by high performance liquid chromatography with hollow fiber liquid phase micro-extraction[J]. Chinese Journal of Chromatography, 2016, 34(9): 906-911.

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