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FLUORIDE-SELECTIVE ELECTRODE AS A TOOL TO EVALUATE THE DEGRADATION OF PFAS IN GROUNDWATER: A BENCH-SCALE INVESTIGATION
Stonebridge, J., R. Baldwin, N.R. Thomson, and C. Ptacek.
Groundwater Monitoring & Remediation 40(2):73-80
A study was conducted to assess the impact of groundwater matrix, oxidizing reagents, quenching agents, and sample handling procedures (filtration) on F- concentration in groundwater, which can be used to independently gauge PFAS degradation. F- was quantified by a fluoride-selective electrode (FSE) using matrix spike recovery, and electrode slope performance. Significant limitations of FSE need to be fully understood before it can be used to quantify the production of F- resulting from the potential degradation of PFAS at field sites.
Groundwater Monitoring & Remediation 40(2):73-80
A study was conducted to assess the impact of groundwater matrix, oxidizing reagents, quenching agents, and sample handling procedures (filtration) on F- concentration in groundwater, which can be used to independently gauge PFAS degradation. F- was quantified by a fluoride-selective electrode (FSE) using matrix spike recovery, and electrode slope performance. Significant limitations of FSE need to be fully understood before it can be used to quantify the production of F- resulting from the potential degradation of PFAS at field sites.
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