Phenol and nitrophenols in the air and dew waters of Santiago de Chile.
Chemosphere
; 86(10): 1035-9, 2012 Mar.
Article
em En
| MEDLINE
| ID: mdl-22178376
ABSTRACT
Phenol, nitrophenols and dinitrophenols were measured in air and dews in downtown Santiago de Chile. In both systems, phenol, 2-nitrophenol (2-NP), and 4-nitrophenol (4-NP) were the compounds found in higher concentrations and with major frequency. Temporal profiles in air were compatible with a significant direct incorporation from mobile sources. The data can be explained in terms of a faster removal of 2-NP than 4-NP, with the former predominating in fresh air masses and 4-NP in more aged samples. All these compounds, as well as dinitrophenols, were found in dew waters. Simultaneous measurements in air and dew indicate that phenol present in dew exceeds that expected in equilibrated samples, while the opposite occurs with 4-NP. This last result is associated to mass transfer limitations for the highly water soluble nitroderivative.
Texto completo:
1
Coleções:
01-internacional
Contexto em Saúde:
2_ODS3
Base de dados:
MEDLINE
Assunto principal:
Fenol
/
Poluentes Atmosféricos
País/Região como assunto:
America do sul
/
Chile
Idioma:
En
Revista:
Chemosphere
Ano de publicação:
2012
Tipo de documento:
Article