Graphene-dispersive solid-phase extraction of phthalate acid esters from environmental water

被引：128
|
作者：
Wu, Xiaoli [1 ]
Hong, Huijie [1 ,2 ]
Liu, Xiaotong [1 ]
Guan, Wenbi [1 ]
Meng, Lixuan [1 ]
Ye, Yong [2 ]
Ma, Yongqiang [1 ]
机构：
[1] China Agr Univ, Coll Sci, Beijing 100193, Peoples R China
[2] Zhengzhou Univ, Phosphorus Chem Engn Res Ctr Henan Prov, Dept Chem, Zhengzhou 450052, Peoples R China
来源：
SCIENCE OF THE TOTAL ENVIRONMENT | 2013年 / 444卷
关键词：
Graphene; Phthalate acid esters; Dispersive solid-phase extraction; Environmental water; PERFORMANCE LIQUID-CHROMATOGRAPHY; WALLED CARBON NANOTUBES; SAMPLE PREPARATION; MICROEXTRACTION; PESTICIDE; ADSORBENT; SEDIMENTS; OXIDE;
D O I：
10.1016/j.scitotenv.2012.11.060
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Graphene is a novel carbon nanomaterial with an ultra-high specific surface area. In this paper, we explored graphene as adsorbent for efficient enrichment of 15 phthalate acid esters (PAEs) under different water matrixes (ultrapure water, river and sea). A simple and inexpensive method of dispersive solid-phase extraction (DSPE) combined with gas chromatography-mass spectrometry (GC-MS) was used and acceptable results were provided for most PAEs with overall average recoveries between 71 and 117%. The extraction conditions such as the amount of graphene, the desorption solvent, adsorption time, desorption time and the solution pH were optimized. Finally, the method was applied for the determination of PAEs in environmental water samples including 9 rivers and 2 seas from 7 areas in China. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：224 / 230
页数：7
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