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  • Title: Measurement of phase-distributed nitrophenols in Rome ambient air.
    Author: Cecinato A, Di Palo V, Pomata D, Tomasi Scianò MC, Possanzini M.
    Journal: Chemosphere; 2005 Apr; 59(5):679-83. PubMed ID: 15792665.
    Abstract:
    Atmospheric nitrophenols (NPs) were determined both in the gas and particle phases by combining the annular denuder sampling technique with GC-MS analysis. The phase distribution of six mono-NPs identified in air sampled in downtown Rome was assessed. 4-NP, 3-methyl-4-NP and 2,6-dimethyl-4-NP were found for more than 75% in the particle phase, whilst 2-NP, 4-methyl-2-NP and 5-methyl-2-NP predominated in the gas phase. Concentration levels lower than 20 ng m-3 were observed for all NPs, among which 4-NP (17.8+/-5.6 ng m-3) and 2-NP (10.4+/-4.2 ng m-3) were the most abundant congeners in the two phases, respectively.
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