On-line Measurements of Particle Bound Reactive Oxygen Species in Ambient and Combustion Aerosols

S. J. Fuller, J. S. Nutter, S. Platt, L. Pfaffenberger, P. Barmet, J. Dommen, U. Baltensperger, A. Prevot, M. Kalberer

An on-line system was developed to quantify concentrations of reactive oxygen species (ROS) in combustion aerosols from moped emissions. Increases in ROS concentrations were found to be associated with secondary organic aerosol (SOA) formation.

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