IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Quantification of nitrated-polycyclic aromatic hydrocarbons in atmospheric aerosol samples with in-injection port thermal desorption-gas chromatography/negative chemical ionization mass spectrometry method
Li, LJ (Li, Lijuan)[ 1,2,3 ]; Ho, SSH (Ho, Steven Sai Hang)[ 1,2,4 ]; Han, YM (Han, Yong Ming)[ 1,2,6 ]; Chow, JC (Chow, Judith C.)[ 2,4 ]; Watson, JG (Watson, John G.)[ 2,4 ]; Wang, LQ (Wang, Liqin)[ 1,2 ]; Qu, LL (Qu, Linli)[ 5 ]; Cao, JJ (Cao, Junji)[ 1,2 ]
2018-11
Source PublicationATMOSPHERIC ENVIRONMENT
Volume192Pages:84-93
Subtype期刊论文
AbstractIn-injection port thermal desorption (TD) was extended in determination of particulate phase nitrated-polycyclic aromatic hydrocarbons (N-PAHs) on filter samples coupled with a gas chromatography/negative ion chemical ionization-mass spectrometry (GC/NCI-MS). The experimental and analytical parameters were optimized with standard testing and ambient samples. Fourteen of the most abundant N-PAHs in ambient airs were included for their quantification. A desorption temperature of 280 °C for 10 min was sufficient to transfer entire target compounds from injection port to the analytical system. Good linearity (R2 >0.995) on the calibrations for each analyte was achieved. The limit of detections (LODs) ranged from 46.5 to 152.3 pg per filter sample, which were 4–66% better than solvent extraction (SE) approach. Method precision, repeatability and reproducibility, determined by replicate analyses of calibration standards and ambient samples, were less than 6% for target compounds. Validation of the method were conducted with two batches of a total of 30 ambient aerosol-loaded filters using our TD and the traditional SE approaches. Reasonably good agreement (R2 = 0.98) by the two methods was demonstrated for most of N-PAHs, except for 9-nitrophenanthrene and 6-nitrobenzo(a)pyrene. The in-injection port TD can improve laboratory efficiency and reduce solvent-based costs for the measurement of N-PAHs.
KeywordN-PAHs Thermal desorption Chemical ionization Aerosol filters Method comparison
DOI10.1016/j.atmosenv.2018.08.049
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9666
Collection黄土与第四纪地质国家重点实验室(2010~)
Affiliation1.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.University of Chinese Academy of Sciences, Beijing, China;
4.Division of Atmospheric Sciences, Desert Research Institute, Reno, NV, 89512, United States;
5.Hong Kong Premium Services and Research Laboratory, Lai Chi Kok, Kowloon, Hong Kong;
6.College of Human Settlements and Architecture, Xi'an Jiaotong University, Xi'an, 710049, China
Recommended Citation
GB/T 7714
Li, LJ ,Ho, SSH ,Han, YM ,et al. Quantification of nitrated-polycyclic aromatic hydrocarbons in atmospheric aerosol samples with in-injection port thermal desorption-gas chromatography/negative chemical ionization mass spectrometry method[J]. ATMOSPHERIC ENVIRONMENT,2018,192:84-93.
APA Li, LJ .,Ho, SSH .,Han, YM .,Chow, JC .,Watson, JG .,...&Cao, JJ .(2018).Quantification of nitrated-polycyclic aromatic hydrocarbons in atmospheric aerosol samples with in-injection port thermal desorption-gas chromatography/negative chemical ionization mass spectrometry method.ATMOSPHERIC ENVIRONMENT,192,84-93.
MLA Li, LJ ,et al."Quantification of nitrated-polycyclic aromatic hydrocarbons in atmospheric aerosol samples with in-injection port thermal desorption-gas chromatography/negative chemical ionization mass spectrometry method".ATMOSPHERIC ENVIRONMENT 192(2018):84-93.
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