期刊
CHINESE CHEMICAL LETTERS
卷 25, 期 8, 页码 1185-1189出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2014.03.030
关键词
Three-dimensional graphene; Magnetic adsorbent; High performance liquid chromatography; Chlorophenols; Water samples
资金
- National Natural Science Foundation of China [31171698]
- Scientific and Technological Research Foundation of Department of Education of Hebei Province [ZD20131033]
- Natural Science Foundations of Hebei [B2012204028]
In this paper, a novel magnetic solid-phase extraction method using three-dimensional graphene-based magnetic nanocomposite as adsorbent for the preconcentration of several chlorophenols from water samples prior to high-performance liquid chromatography analysis was developed. Various experimental parameters were investigated. Under the optimum conditions, the enrichment factors of the method were in the range of 186-312, and the limit of detection (S/N = 3) was 0.10 ng/mL The recoveries of the method were in the range between 85.1% and 101.2%. The developed method has been successfully applied to the determination of chlorophenols in environmental water samples. (C) 2014 Qiu-Hua Wu. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
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