Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/77307
Type: Artigo de periódico
Title: AMBIENTAL VOLATILE ORGANIC COMPOUNDS IN THE MEGACITY OF SAO PAULO
Author: Martins, LD
Andrade, MD
Ynoue, RY
de Albuquerque, EL
Tomaz, E
Vasconcellos, PD
Abstract: In order to characterize the composition of the main urban air organic compounds in the megacity of Sao Paulo, analysis of samples collected during the winter of 2003 downtown was carried out. The samplings were performed on the roof of a building in the commercial center of Sao Paulo. Hydrocarbons and carbonyls compounds were collected on August 4, 5 and 6. Comparing to previous data, the concentration of hydrocarbons presented no decrease in the concentration, except for the aldehydes, which decreased when compared to previous data. Among the HCs species analyzed, the highest concentrations observed were those of toluene (7.5 +/- 3.4 ppbv), n-decane (3.2 +/- 2.0 ppbv), benzene (2.7 +/- 1.4 ppbv) and 1,3,5-trimethylbenzene (2.2 +/- 1.5 ppbv).
Subject: hydrocarbons
vehicular emission
urban air quality
Country: Brasil
Editor: Soc Brasileira Quimica
Rights: aberto
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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