2013
DOI: 10.5935/0103-5053.20130297
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Determination of Endocrine Disrupters and Pharmaceuticals in Sewage Samples by Tandem Solid Phase Clean up/Extraction and High Performance Liquid Chromatography-Negative and Positive Electrospray High-Resolution Mass Spectrometry

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Cited by 5 publications
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“…Solid phase extraction was used to concentrate samples prior to estrogenic activity assays and ED analysis by gas chromatography. Briefly, the sample was filtered (MACHEREY-NAGEL 85/70 BF, glass fiber, 47-mm diameter, pore size 1.2 μm) in a vacuum filtration system and the pH adjusted to 3 (HCl 30% vol/vol) as according to (Guedes Maniero et al 2008;Sanson 2012;Pereira et al 2013;Queiroz et al 2014). Then, Strata X® cartridges were conditioned prior to extraction.…”
Section: Experimental Analysismentioning
confidence: 99%
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“…Solid phase extraction was used to concentrate samples prior to estrogenic activity assays and ED analysis by gas chromatography. Briefly, the sample was filtered (MACHEREY-NAGEL 85/70 BF, glass fiber, 47-mm diameter, pore size 1.2 μm) in a vacuum filtration system and the pH adjusted to 3 (HCl 30% vol/vol) as according to (Guedes Maniero et al 2008;Sanson 2012;Pereira et al 2013;Queiroz et al 2014). Then, Strata X® cartridges were conditioned prior to extraction.…”
Section: Experimental Analysismentioning
confidence: 99%
“…After drying (5 min), elution was conducted using 4 mL of acetone (4 × 1 mL) (Vetec). Finally, eluted sample was dried in nitrogen gas (N 2 ) and suspended in 1 mL of ethanol for estrogenic activity analysis and suspended in 300 μL of methanol for chromatographic analysis (EPA 2007;Guedes Maniero et al 2008;Sanson 2012;Pereira et al 2013;Queiroz et al 2014).…”
Section: Experimental Analysismentioning
confidence: 99%
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“…A presença destas substâncias nos diversos efluentes é preocupante, pois eles podem ser considerados a maior fonte de contaminação para o ambiente. Queiroz et al (2014), o esgoto doméstico é uma matriz muito complexa e difícil de trabalhar do ponto de vista analítico, uma vez que pode conter uma diversidade de compostos orgânicos e inorgânicos, todos com maior concentração quando comparados com os contaminantes de interesse. Devido a isso, alguns desses componentes podem interferir nos resultados referentes a quantificação de contaminantes.…”
Section: Etesunclassified