Determination of some endocrine disrupter chemicals in urban wastewater samples using liquid chromatography-mass spectrometry

  • Zafra-Gómez A
  • Ballesteros O
  • Navalón A
 et al. 
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Abstract

An analytical method for the simultaneous determination of trace amounts of fourteen endocrine disrupter chemicals (EDCs) in urban wastewater samples has been developed. The studied compounds were: bisphenol A and its chlorinated derivatives (monochloro, dichloro, trichloro and tretrachlorobisphenol A), three alkylphenols (4-n-nonyl, 4-n-octyl and 4-(tert-octyl)phenol) and six well known phthalate esters (dimethyl, diethyl, di-n-butyl, butylbenzyl, bis(2-ethylhexyl) and di-n-octylphthalate). The method involves extraction from the samples and preconcentration of the analytes using a solid-phase extraction (SPE) procedure and subsequent liquid chromatographic separation with mass spectrometric detection (LC-MS). Bisphenol F was used as a surrogate. Quantification limits found ranged between 12 ng L- 1for diethylphthalate and 69 ng L- 1for 4-(tert-octyl)phenol. The method was satisfactorily used for determination of these chemicals in urban wastewater samples of Granada City (Spain) and validated using a recovery assay with spiked samples. © 2007 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Alkylphenols
  • Bisphenol A
  • Bisphenol A chlorinated derivatives
  • Liquid chromatography-mass spectrometry (LC-MS)
  • Phthalate esters
  • Wastewater analysis

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