Calibration of Perfluorinated Alkyl Acid Uptake Rates by a Tube Passive Sampler in Water.

ABSTRACT: Per- and polyfluoroalkyl substances (PFAS) are a group of 4000+ man-made compounds of great concern due to their environmental ubiquity and adverse effects. Despite a general interest, few reliable detection tools for integrative passive sampling of PFAS in water are available. A microporous polyethylene tube with a hydrophilic-lipophilic balance sorbent could serve as a flow-resistant passive sampler for PFAS. The tube's sampling rate, Rs, was predicted based on either partitioning and diffusion, or solely diffusion. At 15 °C, the laboratory measured Rs for perfluorohexanoic acid of 100+/-81 mL day^-1 were better predicted by a partitioning and diffusion model (48+/-1.8 mL day^-1) across 10-60 cm s^-1 water flow speeds (15+/-4.2 mL day^-1 diffusion

SUBMITTER: Dunn M 

PROVIDER: S-EPMC10062324 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature