Influence of the solvent polarity and pH over the extraction of bisphenol A from samples of sanitary landfill leachate
In this work the influence of the solvent polarity and pH over the quantitative analysis of bisphenol A (BPA) in the leachate of a sanitary landfill was investigated. During five months, five samples of raw and treated leachate were collected and submitted to Solid Phase Extraction (SPE) with C-18 c...
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| Veröffentlicht in: | Transactions on ecology and the environment 2011, Vol.148, p.65-72 |
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| container_title | Transactions on ecology and the environment |
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| creator | VIECELI, N. C GONZATTI, C. F MARZOTTO, J. A FILHO, I. N |
| description | In this work the influence of the solvent polarity and pH over the quantitative analysis of bisphenol A (BPA) in the leachate of a sanitary landfill was investigated. During five months, five samples of raw and treated leachate were collected and submitted to Solid Phase Extraction (SPE) with C-18 cartridges. The samples were extracted with and without lowering pH and with polar (ethanol) and non polar (n-hexane) solvents. The instrumental analysis was performed by Gas Chromatography with Flame Ionization Detector (GC/FID). The samples extracted without acidification and alcoholic extract showed the highest amount of BPA. The maximum concentration of BPA in wastewaters is not ruled by the Brazilian laws. However, the BPA concentrations found in the present work were far above the recommendation of the USEPA (United States Environmental Protection Agency) for other well known endocrine disruptors such as di(2-ethylhexyl) phthalate. |
| doi_str_mv | 10.2495/RAV110071 |
| format | Article |
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| subjects | Acidification Animal, plant and microbial ecology Applied ecology Biological and medical sciences Bisphenol A Cartridges Ecotoxicology, biological effects of pollution Endocrine disruptors Environmental protection Ethanol Flame ionization detectors Fundamental and applied biological sciences. Psychology Gas chromatography Ionization Landfill Landfills Leachates n-Hexane pH effects Phenols Polarity Quantitative analysis Solid phases Solvents Techniques Waste disposal sites |
| title | Influence of the solvent polarity and pH over the extraction of bisphenol A from samples of sanitary landfill leachate |
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