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题名: Solid-phase extraction based on a molecularly imprinted polymer for the selective determination of four benzophenones in tap and river water
作者: Sun, Hao1, 2;  Li, Yun2;  Huang, Chaonan2, 3;  Peng, Junyu2, 3;  Yang, Jiajia2, 3, 4;  Sun, Xiaoli2, 3;  Zang, Shuliang1;  Chen, Jiping2;  Zhang, Xiangdong1
关键词: Benzophenones ;  High-performance liquid chromatography ;  Molecularly imprinted polymers ;  Solid-phase extraction ;  Water samples
刊名: JOURNAL OF SEPARATION SCIENCE
发表日期: 2015-10-01
DOI: 10.1002/jssc.201500419
卷: 38, 期:19, 页:3412-3420
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: This work reports the preparation of molecularly imprinted polymer particles for the selective extraction and determination of four benzophenones from aqueous media. The polymer was prepared by using 4-vinylpridine as functional monomer, ethylene glycol dimethacrylate as cross-linker, acetonitrile as porogenic solvent and 2,2', 4,4'-tetrehydroxybenzophenone as template. Good specific adsorption capacity (Q(max) = 27.90 mu mol/g) for 2,2', 4,4'-tetrehydroxybenzophenone was obtained in the sorption experiment and good class selectivity for 2,2', 4,4'-tetrehydroxybenzophenone, 2,4-dihydroxybenzophenone, 2,2'-dihydroxy-4-methoxybenzophenone, 2,2'-dehydroxy-4,4'-dimethoxybenzophenone was demonstrated by the chromatographic evaluation experiment. Factors affecting the extraction efficiency of the molecularly imprinted solid-phase extraction procedure were investigated systematically. An accurate and sensitive analytical method based on the molecularly imprinted solid-phase extraction coupled with high-performance liquid chromatography and diode array detection has been successfully developed for the simultaneous determination of four benzophenones from tap water and river water with method detection limits of 0.25-0.72 ng/mL. The recoveries of benzophenones for water samples at two spiking levels (500 and 5000 ng/mL for each benzophenone) were in the range of 86.9-103.3% with relative standard deviations (n = 3) below 9.2%.
关键词[WOS]: CHROMATOGRAPHY-MASS-SPECTROMETRY ;  PERFORMANCE LIQUID-CHROMATOGRAPHY ;  UV FILTERS ;  GAS-CHROMATOGRAPHY ;  TRACE DETERMINATION ;  EMERGING CONTAMINANTS ;  COSMETIC PRODUCTS ;  SUNSCREEN AGENTS ;  CURRENT ISSUES ;  WASTE-WATER
语种: 英语
WOS记录号: WOS:000362553600014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146598
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Univ, Coll Chem, Shenyang 110036, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Hebei Univ Engn, Coll Sci, Handan, Peoples R China

Recommended Citation:
Sun, Hao,Li, Yun,Huang, Chaonan,et al. Solid-phase extraction based on a molecularly imprinted polymer for the selective determination of four benzophenones in tap and river water[J]. JOURNAL OF SEPARATION SCIENCE,2015,38(19):3412-3420.
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