Can Coronene and/or Benzo(a)pyrene/Coronene ratio act as unique markers for vehicle emission?
2014
Shen, Guofeng | Chen, Yuanchen | Wei, Siye | Fu, Xiaofang | Ding, Aijun | Wu, Haisuo | Tao, Shu
Coronene is a high molecular weight polycyclic aromatic hydrocarbon with seven aromatic rings. It, more specifically a lower ratio of Benzo[a]pyrene to Coronone (BaP/COR), is suggested as a marker for vehicle emission. In the present study, emissions of Coronene were measured from residential combustions of wood, crop straw, and pellets. The detection of COR in non-vehicle emission sources, and comparable BaP/COR ratios between the solid fuel combustion and vehicle emissions indicated that the generality of COR or the BaP/COR ratio as markers for the vehicle emission would be questionable, especially for the area where solid fuel combustion dominated the PAHs emission.
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