Analyses of PFOS and PFOA Precursors in Textile Products Using EI-MRM and PCI-SIM Method

Precursors of perfluoro compounds (PFCs) such as perfluorooctane sulfon-amides (FOSEs, FOSAs) and acrylates (FTAs), which may potentially degrade to perfluorooctane sulfonate (PFOS) and perflurooctanoic acid (PFOA), are analysed via an electron ionization-multiple reaction monitoring (EI-MRM) method and a positive chemical ionization-selective ion monitoring (PCI-SIM) method. For all targets, both acquisition methods report a limit of quantitation (LOQ) value of 5.0 ng/mL. The EI-MRM method provides a lower limit of detection (LOD) than the PCI-SIM method, LOD of the former is as low as 0.5 ng/mL whereas that of the latter is 4.0 ng/mL.

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Gas Chromatograph-Mass Spectrometry, Mass Spectrometry
GC-MS/MS, PFCs, PFOS, PFOA, GC-MS/MS, textile, water repellent, Hydrocarbon Processing Industry (Petrochemical, Chemical), Textile, GCMS-QP2020 NX, GCMS-TQ8050 NX
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