Vapor pressure (Pvap) is a fundamental property controlling the gas-particle partitioning of organic species. Therefore this pure substance property is a critical parameter for modeling the formation of secondary organic aerosols (SOA). Structure-property relationships are needed to estimate Pvap because (i) very few experimental data for Pvap are available for semi-volatile organics and (ii) the number of contributors to SOA is extremely large. The Lee and Kesler method, a modified form of the Mackay equation, the Myrdal and Yalkowsky method and the UNIFAC-pLo method are commonly used to estimate Pvap in gas-particle partitioning models. The objectives of this study are (i) to assess the accuracy of these four methods on a large experimental database selected to be representative of SOA contributors and (ii) to compare the estimates provided by the various methods for compounds detected in the aerosol phase. © 2005 Elsevier Ltd. All rights reserved.
CITATION STYLE
Camredon, M., & Aumont, B. (2006). Assessment of vapor pressure estimation methods for secondary organic aerosol modeling. Atmospheric Environment, 40(12), 2105–2116. https://doi.org/10.1016/j.atmosenv.2005.11.051
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