Feasibility study of superoxide chemical ionization mass spectrometry (O 2 − CIMS) for real-time gas-phase measurements of per- and polyfluoroalkyl substances (PFAS)

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Abstract
O 2 − as a CIMS reagent ion enables safer usage and fingerprint ion peaks for PFAS compound confirmation while providing higher sensitivity and lower limits of detection for real-time gas-phase measurements of several PFAS compared to current methods.
Funding Information
  • U.S. Environmental Protection Agency (R840431)
  • North Carolina Collaboratory
  • National Institute for Occupational Safety and Health (5T42OH008673)

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