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当前位置: 首页 > 文章 > 超声辅助离子液体分散液液微萃取水体中的四溴双酚A 安徽农业科学 2015 (34) 101-103+147
Position: Home > Articles > Ultrasound-assisted Ionic Liquid Dispersive Liquid-Liquid Microextraction for the Determination of Tetrabromobisphenol-A in Water Journal of Anhui Agricultural Sciences 2015 (34) 101-103+147

超声辅助离子液体分散液液微萃取水体中的四溴双酚A

作  者：
高占啟;何欢;王荟;孙成
单  位：
国家环境保护地表水环境有机污染物监测分析重点实验室;污染控制与资源化研究国家重点实验室
关键词：
离子液体;分散液液微萃取;超声;四溴双酚A
摘  要：
建立了超声辅助离子液体分散液液微萃取-液相色谱分析水体中四溴双酚A(Tetrabromobisphenol-A,TBBP-A)的方法,并采用正交试验法对萃取参数进行了优化。所建立的方法检测限为0.018μg/L,检测范围为40~10~5μg/L,相关系数为0.998 9,RSD为7.9%。采用所建立的方法对实际水样进行测定,未检测出四溴双酚A,实际水体加标回收率为95.4%。该方法具有操作简便、环保、灵敏度高、准确、重现性好的特点,适合水体中痕量TBBP-A的分析检测。
译  名：
Ultrasound-assisted Ionic Liquid Dispersive Liquid-Liquid Microextraction for the Determination of Tetrabromobisphenol-A in Water
作  者：
GAO Zhan-qi;HE Huan;WANG Hui;State Environmental Protection Key Laboratory of Monitoring and Analysis for Organic Pollutants in Surface Water,Environment Monitoring Center of Jiangsu Province;State Key Laboratory of Pollution Control and Resource Reuse,School of the Environment,Nanjing University;
关键词：
Ionic liquid;;Dispersive liquid-liquid microextraction;;Ultrasound;;Tetrabromobisphenol-A
摘  要：
A rapid and precise method was developed for the determination of Tetrabromobisphenol-A( TBBP-A) in water based on ultrasound-assisted ionic liquid dispersive liquid-liquid microextraction( US-IL-DLLME) coupled with high-performance liquid chromatography( HPLC). The key extraction parameters influencing extraction efficiency were investigated and optimized by orthogonal test. In the optimal conditions,the limits of detection was 0. 018 μg / L. Good linearity was also observed in the range of 40 to 10~5μg /L and correlation coefficient was 0. 998 9. The relative standard deviation( RSD) was 7. 9%. The proposed method was successfully applied for the analysis of TBBP-A in real water sample with good recovery( 95. 4%). Compared with the other previous method,the application of ultrasound in the proposed method could reduce the pretreatment time. In addition,the application of IL as the extraction solvent could reduce the amount of the organic solvent used in extraction. The proposed method could also provide comparable accuracy with other previous methods. The results showed that the developed method was rapid,sensitive,accurate and reproducible,and was suitable for the analysis of trace amount of TBBP-A in water.

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