Elemental composition of the particulate matter present in the atmospheric aerosols of sete lagoas, MG

被引：11
|
作者：
Queiroz, Paula Guirnares Moura [1 ]
Jacornino, Vanusa Maria Feliciano [1 ]
Menezes, Maria Angela de Barros Correia [1 ]
机构：
[1] Comis Nacl Energia Nucl, Ctr Desenvolvimento Tecnol Nucl, BR-30123970 Belo Horizonte, MG, Brazil
来源：
QUIMICA NOVA | 2007年 / 30卷 / 05期
关键词：
particulate matter; air pollution; trace element;
D O I：
10.1590/S0100-40422007000500035
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The main objective of this study was the identification of sources generating particulate matter in the atmospheric aerosols of Sete Lagoas, Minas Gerais. The measurement of the mineral composition was accomplished by X-ray diffractometry and the elemental concentration by neutron activation analysis. The results showed that Al, Cl, Cu, Fe, K, Mg and Na are the predominant chemical elements in the total suspended particles (TPS). The presence of Na, Ba, Cl. Cu, Eu, Fe and Sm in those particles with aerodynamic diameter smaller than 10 mu m (PM10), indicates that soil dust and ceramic and pig iron industries are the main sources of air quality degradation in the region.
引用
收藏
页码：1233 / 1239
页数：7
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