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Document Type |
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Article In Journal |
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Document Title |
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Analysis of atmospheric concentrations of quinones and polycyclic aromatic hydrocarbons in vapour and particulate phases تحليل التركيزات الجوية من الكوينون والمواد العضوية متعددة الحلقات فى الحالة الغازية والغبار |
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Subject |
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Enviromental sciences |
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Document Language |
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English |
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Abstract |
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Polycyclic aromatic hydrocarbons (PAH) are often measured in studies of atmospheric chemistry or
health effects of air pollution, due to their known human carcinogenicity. In recent years, PAH quinone
derivatives have also become a focus of interest, primarily because they can contribute to oxidative
stress. This work reports concentrations of 17 PAH and 15 quinones measured in air samples collected at
a trafficked roadside. Data are presented for four compounds not previously reported in ambient air:
2-methyl-1,4-naphthoquinone, 2,6-di-tert-butyl-1,4-benzoquinone, methyl-1,4-benzoquinone and 2,3-
dimethylanthraquinone, and a large vapour phase component is measured, not analysed in most
earlier studies. Analyses are reported also for SRM 1649a and 1649b, including many compounds (8 for
SRM 1649a and 12 for SRM 1649b) for which concentrations have not previously been reported. This
work assesses the vapour/particle phase distribution of PAHs and quinones in relation to their molecular
weight, vapour pressure, polarity and Henry’s Law constant, finding that both molecular weight and
vapour pressure (which are correlated) are good predictors of the partitioning. |
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ISSN |
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1352-2310 |
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Journal Name |
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ATMOSPHERIC ENVIRONMENT |
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Volume |
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77 |
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Issue Number |
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7 |
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Publishing Year |
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1434 AH
2013 AD |
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Article Type |
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Article |
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Added Date |
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Monday, October 21, 2013 |
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Researchers
| Juana Delgado-Saborit | Delgado-Saborit, Juana | Researcher | | |
| Mohammed ALAM | Alam, Mohammed | Researcher | | |
| Krystal Godri Pollitt | Godri Pollitt, Krystal | Researcher | | |
| Christopher Stark | Stark, Christopher | Researcher | | |
| Roy Harrison | Harrison, Roy | Researcher | | r.m.harrison@bham.ac.uk |
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Files
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36168.pdf
| pdf | Analysis of atmospheric concentrations of quinones and polycyclic
aromatic hydrocarbons in vapour and particulate phases |
|