Citation:
Xing-Li Liu, Chun Wang, Qiu-Hua Wu, Zhi Wang. Preconcentration of chlorophenols in water samples using threedimensional graphene-based magnetic nanocomposite as absorbent[J]. Chinese Chemical Letters,
;2014, 25(8): 1185-1189.
doi:
10.1016/j.cclet.2014.03.030
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In this paper, a novelmagnetic 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.
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