Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/47129
Title: The use of microwave assisted extraction and on-line chromatography-mass spectrometry for determining endocrine-disrupting compounds in sewage sludges
Authors: Vega-Morales, T.
Sosa-Ferrera, Z. 
Santana-Rodríguez, J. J. 
UNESCO Clasification: 2301 química analítica
Keywords: Endocrine-disrupting
UHPLC
Mass spectrometry
Microwave assisted extraction
Sludge samples, et al
Issue Date: 2013
Publisher: 0049-6979
Journal: Water, Air, and Soil Pollution 
Abstract: A new analytical methodology based on ultra high performance liquid chromatography (UHPLC) after microwave assisted extraction, followed by a clean-up and preconcentration step with solid phase extraction (MAE–SPE) has been developed for the simultaneous determination of 11 endocrine-disrupting compounds (EDCs), including alkylphenolic compounds, bisphenol A, and various synthetic and natural steroidal hormones, in sewage sludge samples. The effects of different variables on MAE-SPE were studied and optimised. The recoveries obtained were higher than 77 %, whereas the relative standard deviations were less than 9 %. The detection limits ranged between 0.1 and 0.7 ng g−1. The developed methodology was successfully applied to the assessment of the presence of EDCs to sewage sludge samples that were collected bimonthly during 1 year and a half from two wastewater treatment plants (WWTPs) located in Las Palmas de Gran Canaria (Canary Islands, Spain). All compounds were consistently found in all the samples under study.
URI: http://hdl.handle.net/10553/47129
ISSN: 0049-6979
DOI: 10.1007/s11270-013-1486-4
Source: Water, Air, and Soil Pollution [ISSN 0049-6979], v. 224 (1486)
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