Fluorotelomer Alcohol and Precursor Screening
topic
Fluorotelomer alcohol screening by GC-MS or LC-MS/MS quantifies volatile and semi-volatile PFAS precursors including 6:2 FTOH, 8:2 FTOH, and fluorotelomer-based urethane polymers that biodegrade or metabolise to persistent long-chain PFAS carboxylate end products; total oxidisable precursor assay converts all precursors to stable perfluorocarboxylates before LC-MS/MS quantification.
Role
Identifies the PFAS precursor compounds in C6 and C8 DWR-treated textiles that ultimately generate persistent long-chain PFAS through environmental degradation and human metabolism pathways, providing a more complete picture of the environmental PFAS load from textile use and disposal than measurement of terminal PFAS alone.