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Quantification of oxygenated polycyclic aromatic hydrocarbons in ambient aerosol samples using in-injection port thermal desorption-gas chromatography/mass spectrometry: Method exploration and validation
Li, LJ (Li, Lijuan)[ 1,2,3,4 ]; Ho, SSH (Ho, Steven Sai Hang)[ 1,2,3,5 ]; Chow, JC (Chow, Judith C.)[ 2,5 ]; Watson, JG (Watson, John G.)[ 2,5 ]; Qu, LL (Qu, Linli)[ 6 ]; Wang, LQ (Wang, Liqin)[ 1,2 ]; Cao, JJ (Cao, Junji)[ 1,2,3 ]
2018-10
发表期刊International Journal of Mass Spectrometry
卷号433页码:25-30
文章类型期刊论文
摘要

In-injection port thermal desorption (TD) was evaluated for determination of particulate phase oxygenated-polycyclic aromatic hydrocarbons (O-PAHs) collected on filters coupled with a gas chromatography/mass spectrometry (GC/MS). The analytical parameters were optimized with standard testing and ambient samples. Ten of the most abundant O-PAHs in ambient air were included in the demonstration. A desorption temperature of 275 °C for 9 min was sufficient to transfer entire target compounds to the analytical system. Good linearity (R2 >0.99) on the calibrations for each analyte was achieved. The limit of detection (LOD) ranged from 21 to 269 pg per loading. Method precisions, determined by replicate analyses of calibration standards and ambient samples, was less than 10% for target compounds. Comparisons were conducted on batches of 28 ambient aerosol filter samples using our TD and the traditional SE methods. Reasonably good agreement (R2 = 0.98) by the two methods was demonstrated for most of O-PAHs. The in-injection port TD can improve laboratory efficiency and reduce solvent-based costs for the measurement of O-PAHs.

关键词O-pahs Thermal Desorption Electronic Ionization Aerosol Filters Method Comparison
DOI10.1016/j.ijms.2018.08.005
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9569
专题粉尘与环境研究室
通讯作者Ho, SSH (Ho, Steven Sai Hang)[ 1,2,3,5 ]; Cao, JJ (Cao, Junji)[ 1,2,3 ]
作者单位1.Key Laboratory of Aerosol Chemistry & Physics (KLACP), Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, 710061, China;
2.State Key Laboratory of Loess and Quaternary Geology (SKLLQG), Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, 710061, China;
3.Shaanxi Key Laboratory of Atmospheric and Haze-fog Pollution Prevention, Institute of Earth Environment, Chinese Academy of Sciences, China;
4.University of Chinese Academy of Sciences, Beijing, China;
5.Division of Atmospheric Sciences, Desert Research Institute, Reno, NV, 89512, United States;
6.Hong Kong Premium Services and Research Company, Lai Chi Kok, Kowloon, Hong Kong
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GB/T 7714
Li, LJ ,Ho, SSH ,Chow, JC ,et al. Quantification of oxygenated polycyclic aromatic hydrocarbons in ambient aerosol samples using in-injection port thermal desorption-gas chromatography/mass spectrometry: Method exploration and validation[J]. International Journal of Mass Spectrometry,2018,433:25-30.
APA Li, LJ .,Ho, SSH .,Chow, JC .,Watson, JG .,Qu, LL .,...&Cao, JJ .(2018).Quantification of oxygenated polycyclic aromatic hydrocarbons in ambient aerosol samples using in-injection port thermal desorption-gas chromatography/mass spectrometry: Method exploration and validation.International Journal of Mass Spectrometry,433,25-30.
MLA Li, LJ ,et al."Quantification of oxygenated polycyclic aromatic hydrocarbons in ambient aerosol samples using in-injection port thermal desorption-gas chromatography/mass spectrometry: Method exploration and validation".International Journal of Mass Spectrometry 433(2018):25-30.
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