Abstract
The asphalt binder, derived from petroleum, commonly employed in road paving contains PAHs (Polycyclic Aromatic Hydrocarbons) and a variety of other aliphatic and aromatic compounds. PAHs are pollutants that can induce health problems. This work aims to extract and characterize the PAHs in samples of asphalt binder and its concentration. Matrix solid phase dispersion was used as a technique for extraction of the PAHs. Characterization was performed employing gas chromatography and scanning tunneling microscopy. Fifteen of the priority PAHs listed by USEPA (United States Environmental Protection Agency), as well as coronene, were found in the binder samples. ©2009 Sociedade Brasileira de Química.
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Pinheiro, L. S., Fernandes, P. R. N., Cavalcante, R. M., Nascimento, R. F., Soares, J. B., Soares, S. A., & Freire, J. A. K. (2009). Polycyclic aromatic hydrocarbons from asphalt binder: Extraction and characterization. Journal of the Brazilian Chemical Society, 20(2), 222–228. https://doi.org/10.1590/S0103-50532009000200005
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