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题名: Enrichment of polycyclic aromatic hydrocarbons in seawater with magnesium oxide microspheres as a solid-phase extraction sorbent
作者: Jin, Jing1, 2;  Zhang, Zhiping3;  Li, Yun1;  Qi, Peipei1, 2;  Lu, Xianbo1;  Wang, Jincheng1;  Chen, Jiping1;  Su, Fan1
关键词: Polycyclic aromatic hydrocarbons ;  Solid-phase extraction ;  Magnesium oxide ;  Enrichment ;  Water
刊名: ANALYTICA CHIMICA ACTA
发表日期: 2010-09-30
DOI: 10.1016/j.aca.2010.08.028
卷: 678, 期:2, 页:183-188
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: The enrichment of polycyclic aromatic hydrocarbons (PAHs) in water samples with magnesium oxide (MgO) microspheres was evaluated, and four 3-5-ring PAHs were used as probes to validate the adsorption capacity of the material. Factors affecting the recovery of PAHs were investigated in detail. including the type and concentration of organic modifiers. elution solvents. particle size of the adsorbent, volume and flow rate of the samples, and the lifetime of MgO cartridges. The recoveries of four PAHs extracted from 20 mL of seawater spiked with standard PAHs ranged from 85.8% to 102 0% under the optimised conditions. The limits of detection varied from 1 83 ng L(-1) to 16.03 ng L(-1), indicating that the analytical method was highly sensitive Additionally, the proposed method was successfully used to enrich PAHs in seawater. Compared to conventional methods, the proposed method consumed less organic modifier (5% acetone). and cheaper sorbents with comparable extraction efficiency were employed (C) 2010 Elsevier B.V All rights reserved
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ;  ENVIRONMENTAL-SAMPLES ;  MASS SPECTROMETRY ;  WATER ;  PRECIPITATION
语种: 英语
WOS记录号: WOS:000283388000007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141702
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.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Brigham Young Univ, Dept Chem & Biochem, Provo, UT 84602 USA

Recommended Citation:
Jin, Jing,Zhang, Zhiping,Li, Yun,et al. Enrichment of polycyclic aromatic hydrocarbons in seawater with magnesium oxide microspheres as a solid-phase extraction sorbent[J]. ANALYTICA CHIMICA ACTA,2010,678(2):183-188.
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