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Determination of oxygenated compounds in secondary organic aerosol from isoprene and toluene smog chamber experiments

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Determination of oxygenated compounds in secondary organic aerosol from isoprene and toluene smog chamber experiments

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dc.contributor.author Borrás García, Esther Mª es_ES
dc.contributor.author Tortajada-Genaro, Luis Antonio es_ES
dc.date.accessioned 2016-06-17T10:47:36Z
dc.date.available 2016-06-17T10:47:36Z
dc.date.issued 2012
dc.identifier.issn 0306-7319
dc.identifier.uri http://hdl.handle.net/10251/66088
dc.description.abstract [EN] The determination of multifunctional oxygenated compounds in secondary organic aerosols (SOA) usually requires a derivatisation protocol prior to gas chromatography-mass spectrometry analysis (GC-MS). Our proposed protocol, a combination of O-(2,3,4,5,6-pentafluorobenzyl) hydroxylamine (PFBHA) plus diluted N-methyl-N-trimethyl-silyltrifluoroacetamide (MSTFA) without catalyst, has improved the determination of carbonyls, polyhydroxyl-compounds, hydroxyl- carbonyls, hydroxyl-carboxylic acids and di-carboxylic acids. The optimised derivatisation protocol has been successfully used for blanks, standard mixtures and photo-oxidation products from isoprene and toluene generated in a high-volume simulation chamber (European Photoreactor, EUPHORE). Some previously identified degradation products for isoprene including tetrols such as threitol, erythritol; 2-methyltetrols and 2-methylglyceric acid; and for toluene including nitrophenols, methyl-nitrophenols, benzaldehyde, p-cresol, benzoic acid, glyoxylic acid and methyl-glyoxylic acid, have been identified in our aerosol samples, thus confirming the successful applicability of the proposed derivatisation protocol. Moreover, the reduction of artefacts and enhanced signal-to-noise ratio, have allowed us to extend the number of multifunctional compounds determined. These findings have demonstrated the validity of this analytical strategy, which will contribute to a better understanding of the atmospheric degradation chemistry of biogenic and anthropogenic pollutants. © 2012 Taylor & Francis. es_ES
dc.description.sponsorship We gratefully acknowledge the Generalitat Valenciana, Fundacion Bancaja and the GRACCIE CBS2007-00067 project in the CONSOLIDER-INGENIO 2010 program for supporting this study. en_EN
dc.language Inglés es_ES
dc.publisher Taylor & Francis es_ES
dc.relation.ispartof International Journal of Environmental Analytical Chemistry es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Isoprene es_ES
dc.subject MSTFA es_ES
dc.subject PFBHA es_ES
dc.subject Secondary organic aerosol es_ES
dc.subject Toluene es_ES
dc.subject 2-methylglyceric acid es_ES
dc.subject Aerosol samples es_ES
dc.subject Analytical strategy es_ES
dc.subject Anthropogenic pollutants es_ES
dc.subject Atmospheric degradation es_ES
dc.subject Benzoic acid es_ES
dc.subject Degradation products es_ES
dc.subject Derivatisation es_ES
dc.subject Gas chromatography-mass spectrometry es_ES
dc.subject Glyoxylic acids es_ES
dc.subject Multifunctional compounds es_ES
dc.subject Nitrophenols es_ES
dc.subject Oxygenated compounds es_ES
dc.subject P-cresol es_ES
dc.subject Photoreactors es_ES
dc.subject Secondary organic aerosols es_ES
dc.subject Signal to noise es_ES
dc.subject Simulation chambers es_ES
dc.subject Smog chambers es_ES
dc.subject Aldehydes es_ES
dc.subject Atmospheric aerosols es_ES
dc.subject Atmospheric chemistry es_ES
dc.subject Carboxylic acids es_ES
dc.subject Chemical analysis es_ES
dc.subject Degradation es_ES
dc.subject Gas chromatography es_ES
dc.subject Mass spectrometry es_ES
dc.subject Phenols es_ES
dc.subject Signal to noise ratio es_ES
dc.subject.classification QUIMICA ANALITICA es_ES
dc.title Determination of oxygenated compounds in secondary organic aerosol from isoprene and toluene smog chamber experiments es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1080/03067319.2011.572164
dc.relation.projectID info:eu-repo/grantAgreement/MEC//CSD2007-00067/ES/MULTIDISCIPLINARY RESEARCH CONSORTIUM ON GRADUAL AND ABRUPT CLIMATE CHANGES, AND THEIR IMPACTS ON THE ENVIRONMENT (GRACCIE)/ / es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Química - Departament de Química es_ES
dc.description.bibliographicCitation Borrás García, EM.; Tortajada-Genaro, LA. (2012). Determination of oxygenated compounds in secondary organic aerosol from isoprene and toluene smog chamber experiments. International Journal of Environmental Analytical Chemistry. 92(1):110-124. doi:10.1080/03067319.2011.572164 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://dx.doi.org/10.1080/03067319.2011.572164 es_ES
dc.description.upvformatpinicio 110 es_ES
dc.description.upvformatpfin 124 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 92 es_ES
dc.description.issue 1 es_ES
dc.relation.senia 213179 es_ES
dc.identifier.eissn 1029-0397
dc.contributor.funder Ministerio de Educación y Ciencia es_ES
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder Fundación Bancaja es_ES
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