Distribution of n-alkanes, polynuclear aromatic hydrocarbons and nitrated polynuclear aromatic hydrocarbons between the fine and coarse fractions of inhalable atmospheric particulates

The distribution ratios of n-alkanes, polynuclear aromatic hydrocarbons (PAHs) and nitrated PAH components between fine and coarse fractions of soot has been investigated in downtown Rome through three field campaigns carried out at different times of the year. The preferential accumulation of almos...

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Bibliographic Details
Published in:Journal of Chromatography A 1999-06, Vol.846 (1), p.255-264
Main Authors: Cecinato, Angelo, Marino, Fabio, Di Filippo, Patrizia, Lepore, Luca, Possanzini, Massimiliano
Format: Article
Language:English
Subjects:
Air Pollutants - analysis
Alkanes
Analysis methods
Applied sciences
Atmospheric pollution
Chromatography, High Pressure Liquid - methods
Exact sciences and technology
Hydrocarbons - analysis
Inhalation Exposure
Mass Spectrometry
Nitro compounds
Particle Size
Pollution
Polynuclear aromatic hydrocarbons
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Summary:The distribution ratios of n-alkanes, polynuclear aromatic hydrocarbons (PAHs) and nitrated PAH components between fine and coarse fractions of soot has been investigated in downtown Rome through three field campaigns carried out at different times of the year. The preferential accumulation of almost all species investigated onto fine particles has been observed in all field experiments performed. Moreover, nitrated PAHs had varied distributions, according to the origin of their occurrence in the atmosphere; in fact, congeners of photochemical origin accumulated more in fine particles than those released by primary sources.
ISSN:0021-9673
DOI:10.1016/S0021-9673(99)00129-6