Evaluation of two aquatic passive sampling configurations for their suitability in the analysis of estrogens in water
The presence of estrogens in the aquatic environment has been the target of several studies in the last decade. Newly developed passive sampling techniques for polar organic chemicals show great promise for the assessment of long-time exposure of aquatic organisms to emerging contaminants. In the present work, two configurations of the Chemcatcher® passive sampler have been tested for their applicability to the analysis of seven estrogens in water. Accumulation experiments in the laboratory, to calculate the uptake rates, and a field trial show that the polar configuration of this device may be used for the efficient sampling and determination of estrogens in water. Time weighted average concentrations were determined in the field trial and compared with spot sampling concentrations. The detection of estriol using passive sampling, although not found with spot sampling, clearly demonstrates the value of this technique in assessing relevant concentrations of estrogens in the aquatic media.
Main Authors: | Kuster, Marina, Cal, Agustina de la, Eljarrat, Ethel, López de Alda, Miren, Barceló, Damià |
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Format: | artículo biblioteca |
Language: | English |
Published: |
Elsevier
2010
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Subjects: | Passive sampling, Chemcatcher, Estrogen, Water analysis, SPE, LC–MS/MS, |
Online Access: | http://hdl.handle.net/10261/44517 |
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