Ionic liquid-based air-assisted liquid-liquid microextraction followed by high performance liquid chromatography for the determination of five fungicides in juice samples

文献类型： 外文期刊

第一作者： You, Xiangwei

作者： You, Xiangwei;Li, Yiqiang;You, Xiangwei;Chen, Xiaochu;Liu, Fengmao;Hou, Fan

作者机构：

关键词： Ionic liquid-based air-assisted liquid-liquid microextraction Fungicide;Juice;High performance liquid chromatography

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2018 年 239 卷

页码：

收录情况： SCI

摘要： A novel and simple ionic liquid-based air-assisted liquid-liquid microextraction technique combined with high performance liquid chromatography was developed to analyze five fungicides in juice samples. In this method, ionic liquid was used instead of a volatile organic solvent as the extraction solvent. The emulsion was formed by pulling in and pushing out the mixture of aqueous sample solution and extraction solvent repeatedly using a 10 mL glass syringe. No organic dispersive solvent was required. Under the optimized conditions, the limits of detection (LODs) were 0.4-1.8 mu g L-1 at a signal-to-noise ratio of 3. The limits of quantification (LOQs) set as the lowest spiking levels with acceptable recovery in juices were 10 mu g L-1, except for fludioxonil whose LOQ was 20 mu g L-1. The proposed method was applied to determine the target fungicides in juice samples, and acceptable recoveries ranging from 74.9% to 115.4% were achieved. (C) 2017 Published by Elsevier Ltd.

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