期刊
CHROMATOGRAPHIA
卷 74, 期 1-2, 页码 83-88出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10337-011-2022-6
关键词
Hollow fiber-based liquid phase microextraction; Chloroanilines; River water
资金
- US Department of Education
A liquid phase microextraction method using hollow fiber to support extraction solvent was developed for enrichment of trace level chloroanilines in environmental water samples. Target analytes, 2-chloroaniline, 3-chloroaniline, 2,3-dichloroaniline, 2,4-dichloroaniline, 3,4-dichloroaniline, and 3,5-dichloroaniline were determined using gas chromatography-flame ionization detector after extraction. Experimental conditions that affect extraction efficiency were investigated and optimized. The proposed method showed a wide linear range from lower mu g L(-1) to 1,000 mu g L(-1), low detection limits (a parts per thousand currency sign5.1 mu g L(-1)), and reasonable relative standard deviations (RSDs < 13%). Feasibility of the method was evaluated by analyzing river water samples collected from the Hudson River and the East River in New York City.
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