Table 1 Instrument settings and ion traces for MS/MS detection and quantification of the six compounds included in the method

From: Perfluorinated compounds (PFCs) in groundwater and aqueous soil extracts: using inline SPE-LC-MS/MS for screening and sorption characterisation of perfluorooctane sulphonate and related compounds

Compound Mw Parent ion Quantification CE Verification fragments
  [M-H]− [F]−   
g/mole m/z m/z kV m/z
PFBS 300.10 298.94 79.98 36 98.9; 118.8
PFHpA 364.06 362.97 318.99 15 168.7; 118.5
THPFOS 428.17 426.97 406.85 28 212.6; 168.8
PFOA 414.07 412.97 368.85 16 169.1; 218.7
PFNA 464.07 462.96 219.00 21 418.7; 168.9
PFOS 500.13 498.93 98.93 31 279.6; 129.8
PFDA 514.08 512.96 496.03 17 318.9; 218.7
  1. Also, the optimised fragmentation conditions are shown for the compound THPFOS that was initially evaluated for inclusion in the method. In addition to the primary fragment used for quantification additional fragments suitable for verification is shown
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