Influence Of The Solvent Polarity And PH Over
The Extraction Of Bisphenol A From Samples Of
Sanitary Landfill Leachate
Author(s)
N. C. Vieceli, C. F. Gonzatti, J. A. Marzotto & I. N. Filho
Abstract
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.
Keywords: bisphenol A, SPE, gas chromatography, sanitary landfill, leachate.
Keywords
bisphenol A, SPE, gas chromatography, sanitary landfill, leachate
Related Book
Other papers in this volume
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