ArticleAnalytical and bioanalytical chemistry2026
Performance of ceramic passive samplers for the monitoring of PFAS in surface water and groundwaters.
Article in Analytical and bioanalytical chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Per- and polyfluoroalkyl substances (PFAS) are persistent environmental contaminants widely detected in aquatic systems, yet their accurate quantification remains challenging due to strong temporal variability and ultra-trace concentration levels. Ceramic passive samplers (CPSs) represent a novel and promising alternative to conventional sampling techniques, offering time-integrated measurements while minimizing the influence of short-term concentration fluctuations. In this study, CPS devices were used in combination with liquid-chromatography/tandem mass spectrometry to determine PFAS in groundwater and river water within the Besòs River catchment area (Barcelona, Spain). First, CPS were calibrated for seven target PFAS under controlled laboratory conditions. All compounds exhibited linear uptake behavior throughout a 20-day calibration period, allowing the determination of compound-specific sampling rates. Laboratory blank experiments were also performed to evaluate background contamination and ensure reliable quantitative interpretation of field data. The calibrated CPSs were subsequently deployed in both groundwater and river water for 14 days. Total PFAS concentrations ranged from 19.7 to 250 ng L
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