Evidence for the transformation of polycyclic organic matter in the atmosphere |
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Institution: | 1. Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, T6G 1H9, Canada;2. College of Light Industry, Textile & Food Engineering, Sichuan University, Chengdu 610065, China |
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Abstract: | The ratios of 1-nitropyrene and hydroxynitropyrenes to inert marker species (fine particulate lead, selenium, and elemental carbon) were considerably higher at a remote site on Bermuda than in Delaware. The results suggested that these nitroaromatic POM are formed in atmospheric reactions. The ratio of benzo(a)pyrene to marker species was not significantly different at the two sites. This result did not reflect the expected loss of BaP in atmospheric photochemical reactions. |
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