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http://hdl.handle.net/10261/282012
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Título: | Vapor-particle partitioning of hydrocarbons in Western Mediterranean urban and marine atmospheres |
Autor: | Albaigés Riera, Joan CSIC ORCID; Bayona Termens, Josep María CSIC ORCID; Fernández, Pilar; Grimalt, Joan O. CSIC ORCID ; Rosell-Melé, Antoni; Simó, Rafel CSIC ORCID | Fecha de publicación: | ene-1991 | Editor: | Springer Nature | Citación: | Microchimica Acta 104: 13-27 (1991) | Resumen: | An analytical procedure is described for a comprehensive determination of the composition of hydrocarbons in the atmosphere, based on: (a) aerosol filtration and subsequent adsorption of the vapor phase onto active charcoal and polyurethane foam; (b) GPC and HPLC fractionation of the extracts, and (c) analysis of the fractions by GC-MS under EI and NICI modes. Special emphasis is placed on n-alkanes, PAHs and their oxygenated derivatives. The characterization of samples collected in a coastal urban area (Barcelona city), and far away over the Western Mediterranean, at sea level and at 1100 m of altitude, revealed significant changes in the aerosol composition, mainly attributed to initial vapor-particle partitioning processes, influenced by ambient temperature variations, and to others taking place during long-range atmospheric transport, related with the different compound photoreactivities and with an unexplained source-decoupling phenomenon. © 1991 Springer-Verlag | Descripción: | 15 pages, 5 figures, 3 tables | Versión del editor: | https://doi.org/10.1007/BF01245492 | URI: | http://hdl.handle.net/10261/282012 | DOI: | 10.1007/BF01245492 | Identificadores: | issn: 0026-3672 e-issn: 1436-5073 |
Aparece en las colecciones: | (CID) Artículos |
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