the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Acyl peroxy nitrate measurements during the photochemical smog season in Beijing, China
Abstract. In situ measurements of acyl peroxy nitrates (PANs), including peroxyacetyl nitrate (PAN), peroxypropionyl nitrate (PPN), and peroxymethacryloyl nitrate (MPAN), were conducted using a gas chromatography-electron capture detector (GC-ECD) system during the photochemical smog season in Beijing, China. The maximum mixing ratios were 17.81, 2.48, and 0.27 ppbv for PAN, PPN, and MPAN, respectively. During the measurement period, PAN levels twice exceeded the maximum recommended mixing ratio established by the World Health Organization (WHO). Average ratios of PAN/PPN, PAN/MPAN, and PPN/MPAN were 7.41, 47.65, and 6.91, respectively. The average ratio of PAN/O3 (0.15) in Beijing was significantly higher than those in other areas studied. The frequencies of PANs showed both Gaussian and Weibull modes of distribution. Wind direction was closely related to PAN variation. Anthropogenic sources played an important role in PAN formation, as estimated from PPN and MPAN levels. Relative humidity (RH) and total particle surface area were related with the heterogeneous reactions of PANs with surface concentrations of particulate matter ≤10 μm in diameter.
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RC C3436: 'Review of “Acyl peroxy nitrate measurements during the photochemical smog season in Beijing, China”, Xu et al.', Anonymous Referee #1, 17 May 2011
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AC C4038: 'Response to referee #1', jianbo zhang, 27 May 2011
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AC C4038: 'Response to referee #1', jianbo zhang, 27 May 2011
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RC C3767: 'Review of Xu et al PAN paper', Anonymous Referee #2, 22 May 2011
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AC C5464: 'response to acpd-11-c3767', jianbo zhang, 26 Jun 2011
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AC C5464: 'response to acpd-11-c3767', jianbo zhang, 26 Jun 2011
- Printer-friendly version
- Supplement
-
RC C3436: 'Review of “Acyl peroxy nitrate measurements during the photochemical smog season in Beijing, China”, Xu et al.', Anonymous Referee #1, 17 May 2011
-
AC C4038: 'Response to referee #1', jianbo zhang, 27 May 2011
-
AC C4038: 'Response to referee #1', jianbo zhang, 27 May 2011
-
RC C3767: 'Review of Xu et al PAN paper', Anonymous Referee #2, 22 May 2011
-
AC C5464: 'response to acpd-11-c3767', jianbo zhang, 26 Jun 2011
-
AC C5464: 'response to acpd-11-c3767', jianbo zhang, 26 Jun 2011
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Cited
5 citations as recorded by crossref.
- Heterogeneous Reaction of Peroxyacetyl Nitrate on Real-World PM2.5 Aerosols: Kinetics, Influencing Factors, and Atmospheric Implications M. Sun et al. 10.1021/acs.est.2c03050
- Seasonal and diurnal variations of atmospheric peroxyacetyl nitrate, peroxypropionyl nitrate, and carbon tetrachloride in Beijing G. Zhang et al. 10.1016/S1001-0742(13)60382-4
- Direct and simultaneous determination of trace-level carbon tetrachloride, peroxyacetyl nitrate, and peroxypropionyl nitrate using gas chromatography-electron capture detection G. Zhang et al. 10.1016/j.chroma.2012.09.092
- Peroxyacetyl nitrate (PAN) in the border of Beijing, Tianjin and Hebei of China: Concentration, source apportionment and photochemical pollution assessment W. Wei et al. 10.1016/j.atmosres.2020.105106
- Wintertime peroxyacetyl nitrate (PAN) in the megacity Beijing: Role of photochemical and meteorological processes H. Zhang et al. 10.1016/S1001-0742(13)60384-8