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Title

Simultaneous occurrence of nitrates and sulfonamide antibiotics in two ground water bodies of Catalonia (Spain)

AuthorsGarcía-Galán, M. Jesús ; Garrido, Teresa; Fraile, Josep; Ginebreda Martí, Antoni ; Díaz-Cruz, M. Silvia ; Barceló, Damià
KeywordsGround water body
Intensive cattle farming
Sulfonamides
On-line solid-phase extraction
Liquid chromatography–quadrupole linear Ion trap-mass spectrometry
Issue Date2010
PublisherElsevier
CitationJournal of Hydrology
AbstractIn the present work the occurrence of 19 selected sulfonamides, including one acetylated metabolite, was investigated in ground water samples taken from two ground water bodies in Catalonia (Plana de Vic and La Selva). Both include areas designated as nitrate vulnerable zones, according to Directive 91/676/EEC. A fully automated analytical methodology based on on-line solid-phase extraction–liquid chromatography-tandem mass spectrometry (on-line SPE–LC–MS/MS) was developed for this purpose. The high selectivity and sensitivity achieved (limits of detection between 0.005 and 0.8 ng/L) permitted to demonstrate the ubiquity of these antibiotics in both ground water bodies. Results showed a wide range of concentrations, from 0.01 ng/L up to 3460.57 ng/L. Since sulfonamides are related to livestock veterinary practices, they can be used as a specific indicator of manure contamination. However, the presence of sulfonamides appeared not to be directly related to the concentration of nitrates, as it is reflected on the low correlation coefficients found.
Publisher version (URL)http://dx.doi.org/10.1016/j.jhydrol.2009.06.042
URIhttp://hdl.handle.net/10261/45160
DOI10.1016/j.jhydrol.2009.06.042
ISSN0022-1694
Appears in Collections:(IDAEA) Artículos
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