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首页> 外文期刊>Journal of chromatography, A: Including electrophoresis and other separation methods >Temperature sensitive polymer-dispersive liquid-liquid microextraction with gas chromatography-mass spectrometry for the determination of phenols
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Temperature sensitive polymer-dispersive liquid-liquid microextraction with gas chromatography-mass spectrometry for the determination of phenols

机译：温度敏感聚合物 - 分散液 - 液 - 液 - 液体微萃取，气相色谱 - 质谱法测定酚类

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摘要

A novel dispersive liquid-liquid microextraction method based on temperature-sensitive polymer-induced phase separation was assessed for the determination of phenol, 2,4-dichlorophenol (2,4-DCP), beta-naphthol, and bisphenol A. The interaction between )beta-cyclodextrin-poly (N-isopropylacrylamide) and 2,4-DCP was investigated. The results showed that there was an interaction between 2,4-DCP and the polymer with coiled structures and globular structures. The parameters that affected the extraction of phenols were optimized for the peak area. Under optimal conditions, the correlation coefficients were in the range of 0.9828-0.9990. The limits of detection for all the analytes varied from 0.01 to 1.0 mu g L-1, and the limits of quantification were between 0.04 and 3.50 mu g L-1. The established method was applied successfully to analyze three moat river samples. The relative recoveries were between 81.3 and 117.3%, and the relative standard deviations were less than 17%. (C) 2019 Elsevier B.V. All rights reserved.
机译：基于温度敏感的聚合物致相分离的新型分散液液微萃取法进行了评估为苯酚的测定，2,4-二氯酚（2,4-DCP），β-萘酚，和双酚A之间的相互作用）β-环糊精 - 聚（N-异丙基丙烯酰胺）和2,4-DCP进行了研究。结果表明，有2,4-DCP，用卷绕结构和球状结构的聚合物之间的相互作用。受影响酚的提取参数峰面积进行了优化。在最佳条件下，相关系数分别在0.9828-0.9990范围内。检测的所有变化从0.01到1.0微米克L-1分析物的极限，和定量限为0.04之间和3.50亩克L-1。所建立的方法成功地应用于分析3个护城河河水样品。相对回收率分别为81.3和117.3％之间，相对标准偏差小于17％。 （c）2019 Elsevier B.v.保留所有权利。

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