Rapid analysis of SVOC in aerosols by desorption electrospray ionization mass spectrometry

被引：25

作者：

Chen, Hong ^{[1
]}

Li, Mei ^{[1
]}

Zhang, Ya-Ping ^{[1
]}

Yang, Xin ^{[1
]}

Lian, Jin-Jun ^{[1
]}

Chen, Jian-Min ^{[1
]}

机构：

[1] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China

来源：

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY | 2008年 / 19卷 / 03期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/j.jasms.2007.11.020

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Desorption electrospray ionization mass spectrometry (DESI-MS) was applied for the first time to the analysis of semivolatile organic compounds (SVOC) in atmospheric aerosols. We took polycyclic aromatic hydrocarbons (PAHs) as representatives of SVOCs. The DESI-MS conditions were optimized and the limit of detection for PAHs was about 10 pg with 5 s sampling time. PAHs from both laboratory-made biomass burning aerosols and ambient aerosols were selectively and rapidly analyzed without extraction or preconcentration. The observed PAH species and their relative ion intensities are discussed. This work demonstrates that DESI-MS is a promising method for rapid semiquantitative analysis of SVOC in atmospheric aerosols.

引用

页码：450 / 454

页数：5

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