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Analytical challenges to determine emerging persistent organic pollutants in aquatic ecosystems

AuthorsLorenzo, María; Campo, Julián ; Picó, Yolanda
KeywordsEmerging persistent organic pollutants
Perfluoroalkyl substances
Novel brominated flame retardants
Organophosphorus flame retardants
Aquatic ecosystem
Sample treatment
Analytical determination
Issue DateJun-2018
CitationTRAC - Trends in Analytical Chemistry 103: 137-155 (2018)
AbstractEmerging persistent organic pollutants (ePOPs) include polybrominated diphenyl ethers (PBDEs) and perfluorooctane sulfonyl fluoride/perfluorooctane sulfonate (POSF/PFOS), which are newly listed in the Stockholm Convention. Other ePOPs, which have not been regulated, include organophosphate flame retardants (PFRs), novel brominated flame retardants (NBFRs) and other perfluoroalkyl substances (PFASs). Often ePOPs data related to occurrence, toxicity, impact or environmental behavior are insufficient or inadequate because of the lack of proper analytical methods to obtain them. Thus, a critical review of the analytical procedures proposed in the last six years (2011–2017) for determining ePOPs by chromatographic methods in the different compartments of the aquatic ecosystems is presented. The overall analytical procedure, from sampling to final determination, is emphasized presenting recent developments in the extraction, pre-concentration, and instrumental detection needed for the accurate quantification of ePOPs in environmental samples. Finally, this review examines the basic challenges we face in order to anticipate future directions and urgent needs of this field.
Publisher version (URL)http://dx.doi.org/10.1016/j.trac.2018.04.003
Appears in Collections:(CIDE) Artículos
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