期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 183, 期 1-3, 页码 574-582出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2010.07.062
关键词
Carbonyl compounds; Subway station; In-subway train; Concentration; Ozone; Exposure
资金
- National Natural Science Foundation of China [40773047, 40973071]
- Shanghai Rising-Star Program [09QA1402100]
- Shanghai Leading Academic Disciplines [S30109]
- State Key Laboratory of Organic Geochemistry [OGL-200705]
Carbonyl compounds including their concentrations, potential sources, diurnal variations and personal exposure were investigated in six subway stations and in-subway trains in Shanghai in June 2008. The carbonyls were collected onto solid sorbent (Tenax TA) coated with pentafluorophenyl hydrazine (PFPH), followed by solvent extraction and gas chromatography (GC)/mass spectrometry (MS) analysis of the PFPH derivatives. The total carbonyl concentrations of in-subway train were about 1.4-2.5 times lower than in-subway stations. A significant correlation (R > 0.5, p < 0.01) between the concentrations of the low molecular-weight carbonyl compounds (
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