Composição elementar do material particulado presente no aerossol atmosférico do município de Sete Lagoas, Minas Gerais

Química Nova

Paula Guimarães Moura Queiroz¹  Vanusa Maria Feliciano Jacomino¹  Maria Ângela De Barros Correia Menezes¹ 

[1] ,Comissão Nacional de Energia Nuclear Centro de Desenvolvimento da Tecnologia Nuclear Belo Horizonte MG ,Brasil

关键词: particulate matter;    air pollution;    trace element;   

DOI  :  10.1590/S0100-40422007000500035

来源: SciELO

【 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 µm (PM10), indicates that soil dust and ceramic and pig iron industries are the main sources of air quality degradation in the region.

【 授权许可】

CC BY-NC   
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