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dc.contributor.authorOdabaşı, Mustafa
dc.contributor.authorÇetin, Eylem
dc.contributor.authorSofuoğlu, Aysun
dc.date.accessioned2016-10-06T13:26:55Z
dc.date.available2016-10-06T13:26:55Z
dc.date.issued2006-11
dc.identifier.citationOdabaşı, M., Çetin, E., and Sofuoğlu, A. (2006). Determination of octanol-air partition coefficients and supercooled liquid vapor pressures of PAHs as a function of temperature: Application to gas-particle partitioning in an urban atmosphere. Atmospheric Environment, 40(34), 6615-6625. doi:10.1016/j.atmosenv.2006.05.051en_US
dc.identifier.issn1352-2310
dc.identifier.urihttp://doi.org/10.1016/j.atmosenv.2006.05.051
dc.identifier.urihttp://hdl.handle.net/11147/2177
dc.description.abstractOctanol-air partition coefficients (KOA) for 14 polycyclic aromatic hydrocarbons (PAHs) were determined as a function of temperature using the gas chromatographic retention time method. log KOA values at 25° ranged over six orders of magnitude, between 6.34 (acenaphthylene) and 12.59 (dibenz[a,h]anthracene). The determined KOA values were within factor of 0.7 (dibenz[a,h]anthracene) to 15.1 (benz[a]anthracene) of values calculated as the ratio of octanol-water partition coefficient to dimensionless Henry's law constant. Supercooled liquid vapor pressures (PL) of 13 PAHs were also determined using the gas chromatographic retention time technique. Activity coefficients in octanol calculated using KOA and PL ranged between 3.2 and 6.2 indicating near-ideal solution behavior. Atmospheric concentrations measured in this study in Izmir, Turkey were used to investigate the partitioning of PAHs between particle and gas-phases. Experimental gas-particle partition coefficients (Kp) were compared to the predictions of KOA absorption and KSA (soot-air partition coefficient) models. Octanol-based absorptive partitioning model predicted lower partition coefficients especially for relatively volatile PAHs. Ratios of measured/modeled partition coefficients ranged between 1.1 and 15.5 (4.5±6.0, average±SD) for KOA model. KSA model predictions were relatively better and measured to modeled ratios ranged between 0.6 and 5.6 (2.3±2.7, average±SD).en_US
dc.description.sponsorshipDokuz Eylül University, (Project No. 03.KB.FEN.101)en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.relation.isversionof10.1016/j.atmosenv.2006.05.051en_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectVapor pressureen_US
dc.subjectGas/particle partitioningen_US
dc.subjectOctanol-air partition coefficienten_US
dc.subjectPAHsen_US
dc.titleDetermination of octanol-air partition coefficients and supercooled liquid vapor pressures of PAHs as a function of temperature: Application to gas-particle partitioning in an urban atmosphereen_US
dc.typearticleen_US
dc.contributor.authorIDTR27717en_US
dc.contributor.institutionauthorSofuoğlu, Aysun
dc.relation.journalAtmospheric Environmenten_US
dc.contributor.departmentIzmir Institute of Technology. Chemical Engineeringen_US
dc.identifier.volume40en_US
dc.identifier.issue34en_US
dc.identifier.startpage6615en_US
dc.identifier.endpage6625en_US
dc.identifier.wosWOS:000241784700012
dc.identifier.scopusSCOPUS:2-s2.0-33748424151
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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