Presence of the Most Abundant Ionic Species and Their Contribution to PM2.5 Mass, in the City of Guadalajara, Jalisco (Mexico)

被引：0

作者：

Hernandez-Mena, Leonel ^{[1
]}

Saldarriaga-Norena, H. ^{[1
]}

Carbajal-Romero, P. ^{[1
]}

Murillo-Tovar, M. A. ^{[1
]}

Limon-Sanchez, Ma. T. ^{[1
]}

Lopez-Lopez, A. ^{[1
]}

机构：

[1] Ctr Invest & Asistencia Tecnol & Diseno Estado Ja, Guadalajara 44270, Jalisco, Mexico

来源：

BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2010年 / 85卷 / 06期

关键词：

Ions; PM2.5; Contribution; Ion chromatography; AIR-POLLUTION; AEROSOL; PH;

D O I：

10.1007/s00128-010-0140-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Ambient PM2.5 samples were taken at 24 h intervals at two sites (Centro and Miravalle) in the city of Guadalajara from January to June 2008. The Centro site is located in the downtown, while the Miravalle site is located in an industrial zone south of the downtown. For both sites the higher concentrations of PM2.5 were between January and May. High correlation coefficients between sulfate, nitrate and ammonium of 0.95, 0.92 and 0.91, respectively, showed low variations in the concentrations of these species in the city. It was estimated that sulfate, nitrate and ammonium represented almost 47% of the PM2.5 mass in June at the Centro site, but in general the contributions in the other months were less than 21%, while at Miravalle this percentage was between 7.7% and 27.6%.

引用

页码：632 / 637

页数：6

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