Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/27340
Title: Development of a simple analytical method for the simultaneous determination of paracetamol, paracetamol-glucuronide and p-aminophenol in river water
Authors: Santos, Lúcia H. M. L. M. 
Paíga, Paula 
Araújo, Alberto N. 
Pena, Angelina 
Delerue-Matos, Cristina 
Montenegro, M. Conceição B. S. M. 
Keywords: Paracetamol; Paracetamol-glucuronide; p-Aminophenol; Solid phase extraction; HPLC; River water
Issue Date: 1-Jul-2013
Publisher: Elsevier
Citation: SANTOS, Lúcia H. M. L. M. [et. al] - Development of a simple analytical method for the simultaneous determination of paracetamol, paracetamol-glucuronide and p-aminophenol in river water. "Journal of Chromatography B". ISSN 1570-0232. Vol. 930 (2013) p. 75-81
Serial title, monograph or event: Journal of Chromatography B
Volume: 930
Abstract: Paracetamol is among the most worldwide consumed pharmaceuticals. Although its occurrence in the environment is well documented, data about the presence of its metabolites and transformation products is very scarce. The present work describes the development of an analytical method for the simultaneous determination of paracetamol, its principal metabolite (paracetamol-glucuronide) and its main transformation product (p-aminophenol) based on solid phase extraction (SPE) and high performance liquid chromatography coupled to diode array detection (HPLC-DAD). The method was applied to analysis of river waters, showing to be suitable to be used in routine analysis. Different SPE sorbents were compared and the use of two Oasis WAX cartridges in tandem proved to be the most adequate approach for sample clean up and pre-concentration. Under optimized conditions, limits of detection in the range 40–67 ng/L were obtained, as well as mean recoveries between 60 and 110% with relative standard deviations (RSD) below 6%. Finally, the developed SPE-HPLC/DAD method was successfully applied to the analysis of the selected compounds in samples from seven rivers located in the north of Portugal. Nevertheless all the compounds were detected, it was the first time that paracetamol-glucuronide was found in river water at concentrations up to 3.57 μg/L.
URI: http://hdl.handle.net/10316/27340
ISSN: 1570-0232
DOI: 10.1016/j.jchromb.2013.04.032
Rights: openAccess
Appears in Collections:I&D CEFarmacêuticos - Artigos em Revistas Internacionais

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