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Temperature effect of tapered element oscillating microbalance (TEOM) system measuring semi-volatile organic particulate matter

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Temperature effect of tapered element oscillating microbalance (TEOM) system measuring semi-volatile organic particulate matter

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dc.contributor.author Tortajada Genaro, Luis Antonio es_ES
dc.contributor.author Borrás García, Esther Mª es_ES
dc.date.accessioned 2013-05-07T11:52:29Z
dc.date.issued 2011
dc.identifier.issn 1464-0325
dc.identifier.uri http://hdl.handle.net/10251/28647
dc.description.abstract The tapered element oscillating microbalance (TEOM) system is widely used to measure continuous particle mass concentrations in air quality networks. However, the semi-volatile aerosol material is lost under normal operation conditions (50 °C). This study has evaluated the error in the organic fraction of the TEOM-measured secondary organic aerosols formed from the degradation of biogenic pollutants. Experiments were carried out under controlled, water-free conditions in a fully equipped, high volume atmospheric simulator - the European PhotoReactor (EUPHORE). The ozonolysis of ¿-pinene, ß-pinene and limonene provided a reproducible source of organic aerosol. Particulate matter concentration profiles were registered for different TEOM operating temperatures. When these values were compared with values from a filter-based gravimetric method and a scanning mobility particle sizer (SMPS), they showed that the differences between monitoring systems increased with increasing TEOM temperature. According to our results, when the TEOM is operated at 50 °C, it fails to measure 32-46% of the organic particulate material, depending on the aerosol precursor. This study has also identified and quantified the multi-oxygenated organic compounds lost in the TEOM monitoring by using a method based on the gas chromatography-mass spectrometry technique. Important losses have been calculated for relevant ambient aerosol compounds such as pinonic acid, pinonaldehyde, norpinone and limonalic acid. In conclusion, the present study has demonstrated that a high operating temperature of the TEOM monitor reduces the humidity interference but underestimates the semi-volatile organic fraction. © The Royal Society of Chemistry. es_ES
dc.description.sponsorship We gratefully acknowledge the Generalitat Valenciana, the GRACCIE CBS2007-00067 project in the CONSOLIDER-INGENIO 2010 program and Bancaixa for supporting this study. en_EN
dc.language Inglés es_ES
dc.publisher Royal Society of Chemistry es_ES
dc.relation.ispartof Journal of Environmental Monitoring es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Beta pinene es_ES
dc.subject Limonene es_ES
dc.subject Organic compound es_ES
dc.subject Pinene es_ES
dc.subject Air quality es_ES
dc.subject Article es_ES
dc.subject Controlled study es_ES
dc.subject Gas chromatography es_ES
dc.subject Mass spectrometry es_ES
dc.subject Ozonolysis es_ES
dc.subject Priority journal es_ES
dc.subject Secondary organic aerosol es_ES
dc.subject Temperature sensitivity es_ES
dc.subject Aerosols es_ES
dc.subject Environmental Monitoring es_ES
dc.subject Reproducibility of Results es_ES
dc.subject Temperature es_ES
dc.subject Thermogravimetry es_ES
dc.subject Volatile Organic Compounds es_ES
dc.subject.classification QUIMICA ANALITICA es_ES
dc.title Temperature effect of tapered element oscillating microbalance (TEOM) system measuring semi-volatile organic particulate matter es_ES
dc.type Artículo es_ES
dc.embargo.lift 10000-01-01
dc.embargo.terms forever es_ES
dc.identifier.doi 10.1039/c0em00451k
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 Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Química - Departament de Química es_ES
dc.description.bibliographicCitation Tortajada Genaro, LA.; Borrás García, EM. (2011). Temperature effect of tapered element oscillating microbalance (TEOM) system measuring semi-volatile organic particulate matter. Journal of Environmental Monitoring. 13:1017-1026. doi:10.1039/c0em00451k es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://pubs.rsc.org/en/content/articlepdf/2011/em/c0em00451k es_ES
dc.description.upvformatpinicio 1017 es_ES
dc.description.upvformatpfin 1026 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 13 es_ES
dc.relation.senia 212825
dc.contributor.funder Ministerio de Educación y Ciencia es_ES
dc.contributor.funder Fundación Bancaja es_ES
dc.contributor.funder Generalitat Valenciana es_ES
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