Effect of measurement protocol on organic aerosol measurements of exhaust emissions from gasoline and diesel vehicles
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authors
keywords
- VEHICLE EMISSIONS
- AEROSOL MODELING
- GAS/PARTICLE PARTITIONING
- DILUTION FACTOR
- EMISSION FACTORS
document type
ARTabstract
h i g h l i g h t s Differences in the measured concentrations of organic carbon (OC) are observed. The differences are mainly due to different times elapsed during sampling. Semi-volatile organic compounds (SVOC) are not at equilibrium for short elapsed times. Gas-phase fraction of emitted SVOC leads to an underestimation of emitted OC. Estimated gas-phase SVOC suggest an underestimation of gas þ particle SVOC by 60%.
Laboratoire Chimie Environnement | Aix Marseille Université | CNRS- Tous droits réservés - Mentions légales