Determination of polycyclic aromatic hydrocarbons by solid-phase microextraction coupled to HPLC using a fiber with mesoporous silica coating

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• 作者：Yan Liu (1)
  Fuwei Yang (1)
  Linjuan Yang (1)
  Guofang Zuo (1)
  Yuancheng Zhu (1)
  Xinwen Liu (1)
  Feng Guo (1)
  
• 关键词：mesoporous silica coating ; determination ; polycyclic aromatic hydrocarbons ; pyrene ; phenanthrene ; benzo[a]pyrene ; SPME ; HPLC
• 刊名：Journal of Analytical Chemistry
• 出版年：2014
• 出版时间：July 2014
• 年：2014
• 卷：69
• 期：7
• 页码：686-690
• 全文大小：245 KB
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• 作者单位：Yan Liu (1)
  Fuwei Yang (1)
  Linjuan Yang (1)
  Guofang Zuo (1)
  Yuancheng Zhu (1)
  Xinwen Liu (1)
  Feng Guo (1)
  
  1. Department of Chemistry, Tianshui Normal University Gan Su, 741000, Tianshui, China
  
• ISSN：1608-3199

文摘

A novel SPME-HPLC method was developed for the determination of trace amounts of polycyclic aromatic hydrocarbons (PAHs). It was found that the SPME device with C8H17-SBA-15 (C 8-SBA-15) mesoporous silica coating had high extraction efficiency, sufficient chemical and hydrothermal stability and good reversibility. The determination conditions for environmental pollutants like PAHs including extraction and desorption time, extraction temperature, ionic strength and stirring rate were optimized. Under optimized experimental conditions, results with good accuracy (with a recovery of 97.5-01.7%), precision (with a standard deviation of 0.15-.07%) and low detection limit (LOD, 0.05-.25 μg/L) were obtained, suggesting the SPME devices using chemical modified SBA-15 as coating material are promising in preconcentration, separation and determination of interested analytes in the future.