Magnetic metal-organic framework MIL-100(Fe) microspheres for the magnetic solid-phase extraction of trace polycyclic aromatic hydrocarbons from water samples
文献类型： 外文期刊
作者： Du, Fuyou 1 ; Qin, Qun 1 ; Deng, Jianchao 1 ; Ruan, Guihua 1 ; Yang, Xianqing 2 ; Li, Laihao 2 ; Li, Jianping 1 ;
作者机构： 1.Guilin Univ Technol, Coll Chem & Bioengn, Guangxi Key Lab Electrochem & Magnetochem Funct M, Guilin, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab Aquat Prod Proc, Minist Agr, Guangzhou, Guangdong, Peoples R China
3.Guilin Univ Technol, Guangxi Collaborat Innovat Ctr Water Pollut Contr, Guilin, Peoples R China
4.Guilin Univ Technol, Guangxi Collaborat Innovat Ctr Water Pollut Contr, Guilin, Pe
关键词： Fluorescence detection;Liquid chromatography;Magnetic solid-phase extraction;Metal-organic frameworks;Polycyclic aromatic hydrocarbons
期刊名称：JOURNAL OF SEPARATION SCIENCE （ 影响因子：3.645； 五年影响因子：2.943 ）
ISSN：
年卷期：
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收录情况： SCI
摘要： In this work, a magnetic metal-organic framework designated as MIL-100(Fe) was prepared and applied as a magnetic solid-phase extraction sorbent for the determination of trace polycyclic aromatic hydrocarbons in environmental water samples by coupling with high-performance liquid chromatography and fluorescence detection. The magnetic microspheres exhibited large surface areas and high extraction ability, making them excellent candidates as sorbents for enrichment of trace polycyclic aromatic hydrocarbons. Under the optimized experimental conditions, good sensitivity levels were achieved with low detection limits ranging from 32 to 2110 pg/mL and good linearities with correlation coefficients higher than 0.9990 for the investigated 13 polycyclic aromatic hydrocarbons. The proposed method has been validated in the analysis of real water samples with mean recoveries in the range of 81.4-126.9% at four spiked levels and the relative standard deviations in the range of 1.3-17.0%. The magnetic MIL-100(Fe) microspheres were stable enough for 150 extractions without a significant loss of extraction performance.
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