Heterogeneous OH oxidation of motor oil particles causes selective depletion of branched and less cyclic hydrocarbons.

@article{Isaacman2012HeterogeneousOO,
  title={Heterogeneous OH oxidation of motor oil particles causes selective depletion of branched and less cyclic hydrocarbons.},
  author={Gabriel Isaacman and Arthur W H Chan and Theodora Nah and David R Worton and Chris Ruehl and Kevin R Wilson and Allen H. Goldstein},
  journal={Environmental science & technology},
  year={2012},
  volume={46 19},
  pages={10632-40}
}
Motor oil serves as a useful model system for atmospheric oxidation of hydrocarbon mixtures typical of anthropogenic atmospheric particulate matter, but its complexity often prevents comprehensive chemical speciation. In this work we fully characterize this formerly "unresolved complex mixture" at the molecular level using recently developed soft ionization gas chromatography techniques. Nucleated motor oil particles are oxidized in a flow tube reactor to investigate the relative reaction rates… CONTINUE READING
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