Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/47141
Título: Determination of various estradiol mimicking-compounds in sewage sludge by the combination of microwave-assisted extraction and LC-MS/MS
Autores/as: Vega-Morales, T.
Sosa-Ferrera, Z. 
Santana-Rodríguez, J. J. 
Clasificación UNESCO: 2301 química analítica
Palabras clave: Alkylphenol
Sex hormones
Bisphenol-A
Microwave-assisted extraction
Liquid chromatography, et al.
Fecha de publicación: 2011
Editor/a: 0039-9140
Publicación seriada: Talanta 
Resumen: In this work, we present the development and application of a microwave assisted extraction followed by liquid chromatography–tandem mass spectrometry methodology (MAE-LC–MS/MS) for the determination of various estradiol-mimicking compounds in sewage sludge samples. For the purification of the MAE extracts, we have employed a solid phase extraction (SPE) clean-up procedure, previously optimised. The entire method provides recoveries between 71.7% and 103.1%, with relative standard deviation lower than 11.1% and limits of detection ranging from 0.6 to 3.5 ng g−1. The developed method was applied to samples from three wastewater treatment plants (WWTPs) located in Las Palmas of Gran Canaria (Spain), two of which had a conventional activated sludge treatment (AST), whereas the third treatment plant had an advanced membrane bioreactor treatment (MBR). All of the analytes in the study, including (nonylphenol (NP), octylphenol (OP), and some of their ethoxylated chains APnEOs (n ≤ 7), 17β-estradiol (E2), estriol (E3), 17α-ethynylestradiol (EE) and bisphenol-A (BPA)), were found in almost all samples in concentrations ranging from 0.9 to 710.2 ng g−1.
URI: http://hdl.handle.net/10553/47141
ISSN: 0039-9140
DOI: 10.1016/j.talanta.2011.07.051
Fuente: Talanta [ISSN 0039-9140], v. 85, p. 1825-1834
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