Direct photolysis of α-pinene ozonolysis secondary organic aerosol: effect on particle mass and peroxide content.

@article{Epstein2014DirectPO,
  title={Direct photolysis of α-pinene ozonolysis secondary organic aerosol: effect on particle mass and peroxide content.},
  author={Scott A. Epstein and Sandra L Blair and Sergey A Nizkorodov},
  journal={Environmental science & technology},
  year={2014},
  volume={48 19},
  pages={11251-8}
}
Primary and secondary organic aerosols (POA and SOA) contain a complex mixture of multifunctional chemicals, many of which are photolabile. Much of the previous work that aimed to understand the chemical evolution (aging) of POA and SOA has focused on the reactive uptake of gas-phase oxidants by particles. By stripping volatile compounds and ozone from α-pinene ozonolysis SOA with three 1-m-long denuders, and exposing the residual particles in a flow cell to near-ultraviolet (λ>300 nm… CONTINUE READING

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