Quinone Emissions from Gasoline and Diesel Motor Vehicles
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- 作者：Chris A. Jakober ; Sarah G. Riddle ; Michael A. Robert ; Hugo Destaillats ; M. Judith Charles ; Peter G. Green ; Michael J. Kleeman
- 刊名：Environmental Science & Technology
- 出版年：2007
- 出版时间：July 1, 2007
- 年：2007
- 卷：41
- 期：13
- 页码：4548 - 4554
- 全文大小：215K
- 年卷期：v.41,no.13(July 1, 2007)
- ISSN：1520-5851
文摘
Gas- and particle-phase emissions from gasoline anddiesel vehicles operated on chassis dynamometers werecollected using annular denuders, quartz filters, and PUFsubstrates. Quinone species were measured using O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine derivatization in conjunction with gas chromatography-mass spectrometry and high-performance liquid chromatography-mass spectrometry.Nine quinones were observed, ranging from C6 to C16. Newspecies identified in motor vehicle exhaust include methyl-1,4-benzoquinone, 2-methyl-1,4-naphthoquinone (MNQN),and aceanthrenequinone. Gas-phase motor vehicle emissionsof quinones are also reported for the first time. Six gas-phase quinones were quantified with emission rates of2-28 000 
g L-1 fuel consumed. The most abundant gas-phase quinones were 1,4-benzoquinone (BQN) andMNQN. The gas-phase fraction was 
69% of quinonemass for light-duty gasoline emissions, and 84% for heavy-duty diesel emissions. Eight particle-phase quinoneswere observed between 2 and 1600 g L-1, with BQN themost abundant species followed by 9,10-phenanthrenequinone and 1,2-naphthoquinone. Current particle-phasequinone measurements agree well with the few availableprevious results. Further research is needed concerningthe gas-particle partitioning behavior of quinones in ambientand combustion source conditions.
g L-1 fuel consumed. The most abundant gas-phase quinones were 1,4-benzoquinone (BQN) andMNQN. The gas-phase fraction was 69% of quinonemass for light-duty gasoline emissions, and 84% for heavy-duty diesel emissions. Eight particle-phase quinoneswere observed between 2 and 1600 g L-1, with BQN themost abundant species followed by 9,10-phenanthrenequinone and 1,2-naphthoquinone. Current particle-phasequinone measurements agree well with the few availableprevious results. Further research is needed concerningthe gas-particle partitioning behavior of quinones in ambientand combustion source conditions.