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February 28, 2026ACS OmegaOpen Access

Evaporative Losses of Perfluoroalkyl Sulfonamides during PFAS Analysis

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Authors

FDFuhar DixitSSSarah SühnholzHYHyun Yoon

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Overview

Findings reveal significant analytical bias in measuring PFAS in environmental samples, indicating the need for improved methodologies.

Key Points

  • This research examines the effects of evaporative loss on the recovery of perfluoroalkyl sulfonamides during PFAS analysis.
  • Measured recovery of three perfluoroalkyl sulfonamides (FASAs) in environmental conditions.
  • Employed nitrogen blowdown method after solid-phase extraction of samples.
  • Assessed the impact of adding sodium hydroxide (NaOH) during the blowdown process.
  • Recoveries of FASAs decreased to less than 1% at 2 μg/L concentration during nitrogen blowdown.
  • Adding 10 mM NaOH improved recoveries to over 80% for all FASAs.
  • NaOH addition led to a 40% increase in concentrations of precursors detected in diluted AFFF.

Cite This Study

Dixit et al. (2026) studied this question.

synapsesocial.com/papers/69a287460a974eb0d3c02e96https://doi.org/10.1021/acsomega.5c10403
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