A serial PFASs sorption technique coupled with adapted high volume direct aqueous injection LCMS method

Area of Science:

• Environmental Chemistry
• Analytical Chemistry
• Environmental Science

Background:

• Per- and polyfluoroalkyl substances (PFAS) are persistent, mobile, bioaccumulative, and toxic global environmental contaminants.
• Effective immobilization and removal of PFAS from various environmental matrices (water, soil, sediment) are critical.
• Current sorption study methodologies for PFAS face significant challenges, including experimental protocols and analytical limitations.

Purpose of the Study:

• To present a novel, high-throughput method for measuring PFAS in sorption studies.
• To address the limitations of existing batch sorption methods and analytical techniques for PFAS.
• To facilitate the characterization of PFAS-sorbent interactions for environmental remediation.

Main Methods:

• Development of a simplified analytical approach for PFAS quantification.
• Minimization of cross-contamination sources inherent in PFAS analysis.
• Adaptation of methods for high sample throughput suitable for benchtop trials.

Main Results:

• The presented method overcomes shortcomings of current batch sorption methodologies for PFAS.
• The approach is applicable to diverse sorbent materials and various environmental conditions.
• The novel method demonstrates high sample throughput and a simplified experimental design.

Conclusions:

• A more efficient and reliable method for PFAS measurement in sorption studies is now available.
• This advancement supports the development of effective PFAS sorbents for environmental cleanup.
• The method's simplicity and throughput enhance the study of PFAS-sorbent interactions.