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PM 2.5 aerosols were collected in Nanjing, a typical mega-city in China, during summer and winter 2004 and were characterized for aromatic and cyclic compounds using a GC/MS technique to understand the air pollution problem. They include polycyclic aromatic hydrocarbons (PAHs), hopanes, phthalates and hydroxy-PAHs (OH-PAHs). PAHs, hopanes and OH-PAHs presented higher concentrations in winter...
A comprehensive campaign had been performed from 2001 to 2002 in five urban sites of Nanjing, a typical mega-city of China, in order to fully understand the state, characteristics and sources of the air pollution. As part of the work, 18 n-alkanes (C 15 –C 32 ) and 15 PAHs in PM 10 and PM 2.5 aerosols were chemically characterized in this study by GC and GC/MS. The...
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