The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.
Accumulation of PFOA and PFOS at the Air–Water Interface
Abstract
Knowledge of perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) accumulation at the air–water interface is critical to understanding the fate and transport of these substances in subsurface environments. The surface tension of aqueous solutions containing PFOA and PFOS at concentrations ranging from 0.1 to >1000 mg/L and with dissolved solids (i.e., cations and anions) commonly found in groundwater was measured using the Wilhelmy plate method. The surface tensions of solutions containing dissolved solids were lower than those for ultrapure water, indicating an increase in the surface excess of PFOA and PFOS in the presence of dissolved solids. An equation for the surface excess of PFOA and PFOS with total dissolved solids was developed by fitting the measured surface tension values, which ranged from 72.0 to 16.7 mN/m, to the Szyszkowski equation. On the basis of mass distribution calculations for a representative unsaturated, fine-grained soil, up to 78% of the PFOA and PFOS mass will accumulate at the air–water interface, with the remaining mass dissolved in water and adsorbed on the solids.
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Cites
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Cited by
PFAS Molecules: A Major Concern for the Human Health and the Environment
Panieri, E., Baralic, K., Djukic-Cosic, D., Buha Djordjevic, A., & Saso, L. (2022) · Toxics · doi:10.3390/toxics10020044 · Cited by 651
Guo, B., Zeng, J., & Brusseau, M. L. (2020) · Water Resources Research · doi:10.1029/2019wr026667 · Cited by 224
Fate and transport of per- and polyfluoroalkyl substances (PFASs) in the vadose zone
Sharifan, H., Bagheri, M., Wang, D., Burken, J. G., Higgins, C. P., Liang, Y., Liu, J., Schaefer, C. E., & Blotevogel, J. (2021) · Science of The Total Environment · doi:10.1016/j.scitotenv.2021.145427 · Cited by 180
PFAS on atmospheric aerosol particles: A review
Faust, J. A. (2023) · Environmental Science: Processes & Impacts · doi:10.1039/d2em00002d · Cited by 139
A modified HYDRUS model for simulating PFAS transport in the vadose zone
Silva, J. A. K., Šimůnek, J., & McCray, J. E. (2020) · Water · doi:10.3390/w12102758 · Cited by 111
Metadata
- Authors
- Costanza, J., Arshadi, M., Abriola, L. M., & Pennell, K. D.
- Venue
- Environmental Science & Technology Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-07-24
- Volume
- 6
- Issue
- 8
- Pages
- 487-491
- ISSN
- 2328-8930 (ISSN-L)
- OpenAlex
- W2964208963
- Cited by
- 253
- References
- 18
- FWCI
- 7.97
- Type
- journal article
- Language
- en
- Open access
- closed
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- Costanza, J., Arshadi, M., Abriola, L. M., & Pennell, K. D. (2019). Accumulation of PFOA and PFOS at the Air–Water Interface. Environmental Science & Technology Letters. https://doi.org/10.1021/acs.estlett.9b00355
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