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学科主题物理化学
The selective cleanup of complex matrices and simultaneous separation of benzo[a]pyrene by solid-phase extraction with MgO microspheres as sorbents
Jin, Jing1; Li, Yun1; Zhang, Zhiping2; Su, Fan1; Qi, Peipei1; Lu, Xianbo1; Chen, Jiping1; Chen JP(陈吉平)
关键词Cleanup Selective Benzo[a]Pyrene Solid-phase Extraction Mgo Microspheres
刊名JOURNAL OF CHROMATOGRAPHY A
2011-12-23
ISSN待补充
DOI10.1016/j.chroma.2011.10.085
1218期:51页:9149-9154
收录类别SCI
文章类型Article
部门归属1
项目归属103
产权排名1,1
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]Biochemical Research Methods ; Chemistry, Analytical
研究领域[WOS]Biochemistry & Molecular Biology ; Chemistry
关键词[WOS]POLYCYCLIC AROMATIC-HYDROCARBONS ; MAGNESIUM-OXIDE MICROSPHERES ; DIBENZO-P-DIOXINS ; CIGARETTE SMOKE CONDENSATE ; SLUDGE-AMENDED SOILS ; SILICA-GEL COLUMN ; LIQUID-CHROMATOGRAPHY ; POLYCHLORINATED-BIPHENYLS ; FLUORESCENCE SPECTROSCOPY ; GAS-CHROMATOGRAPHY
英文摘要The selective cleanup of complex matrices and simultaneous separation of benzo[a]pyrene by solid-phase extraction with MgO microspheres as sorbents; A new method for the selective cleanup of complex matrices and simultaneous separation of benzo[a]pyrene (BaP) was developed in this study. This method was based on solid-phase extraction (SPE) using magnesium oxide microspheres as sorbents, and it eliminated interferences from various impurities, such as lipids, sulphur, pigments, halobenzenes, polychlorodibenzo-p-dioxins and poly-chlorodibenzofurans. Several parameters, including the volume of rinsing and eluting solvents, the type of loading solvents and SPE sorbents, were optimized systematically. The capability for impurity removal was verified by gel permeation chromatography, gas chromatography, and liquid chromatography. Compared to commercial sorbents (silica gel, florisil and alumina), MgO microspheres exhibited excellent performance in the selective isolation of BaP and removal of impurities. The proposed method was applied to detect BaP in complex samples (sediments, soils, fish, and porcine liver). The limit of quantification (LOQ) was 1.04 ng L(-1) and the resulting regression coefficient (r(2)) was greater than 0.999 over a broad concentration range (9.5-7600 ng L(-1)). In contrast to traditional methods, the proposed method can give rise to higher recovery (85.1-100.8%) and better selectivity with simpler operation and less consumption of organic solvents (20-40 mL). (C) 2011 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000298530000005
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115546
专题中国科学院大连化学物理研究所
通讯作者Chen JP(陈吉平)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Purdue Univ, Weldon Sch Biomed Engn, W Lafayette, IN 47907 USA
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GB/T 7714
Jin, Jing,Li, Yun,Zhang, Zhiping,et al. The selective cleanup of complex matrices and simultaneous separation of benzo[a]pyrene by solid-phase extraction with MgO microspheres as sorbents[J]. JOURNAL OF CHROMATOGRAPHY A,2011,1218(51):9149-9154.
APA Jin, Jing.,Li, Yun.,Zhang, Zhiping.,Su, Fan.,Qi, Peipei.,...&陈吉平.(2011).The selective cleanup of complex matrices and simultaneous separation of benzo[a]pyrene by solid-phase extraction with MgO microspheres as sorbents.JOURNAL OF CHROMATOGRAPHY A,1218(51),9149-9154.
MLA Jin, Jing,et al."The selective cleanup of complex matrices and simultaneous separation of benzo[a]pyrene by solid-phase extraction with MgO microspheres as sorbents".JOURNAL OF CHROMATOGRAPHY A 1218.51(2011):9149-9154.
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