期刊
ENVIRONMENTAL ENGINEERING SCIENCE
卷 23, 期 2, 页码 405-415出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/ees.2006.23.405
关键词
nitrophenols; nitration; phenols; air; rain water; aromatic compounds
Liquid chromatography coupled to a photodiode array detector (HPLC-DAD) and atmospheric pressure chemical ionization ion sources (LC-APCI-MS) were used for the determination of a variety of nitrophenols in air and rainwater samples after solid-phase extraction using silica gel and XAD-7 resin adsorbents (rainwater). Five field experiments were performed: (1) in a preliminary campaign air samples were obtained in 1998 in an urban site in the northern part of Milano; (2) in winter 1999, air samples were obtained in three urban sites in the Great Milano area, in one semirural site and in a rural site in the Protected Area named Ticino Valley; (3) in summer 1999, air samples were obtained in one urban site in Central Milano; (4) in summer 1999, air samples were obtained in an urban tunnel in Central Milano; (5) in spring 1999, rainwater was collected in five occasions in two urban sites located in the northern part of Milano area. Benzene, toluene, phenol, 2-nitrophenol, 4-nitrophenol, 3-methyl-4-nitrophenol, 2,6-dimethyl-4-nitrophenol were found. Also, three dinitrophenols were found in rainwater: 2,4-dinitrophenol, 4,6-dinitro-2-methylphenol, 2,6-dinitro-4-methylphenol.
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