Table 3 Detection and quantification limit of the individual PFCs in MilliQ water and groundwater the inline SPE LC-MS/MS 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   Spiked MilliQ water Spiked groundwater
t R R 2 LOD R 2 LOD
min ng/l ng/l
PFBS 3.43 0.9974 6.4 0.9988 5.2
PFHpA 3.98 0.9968 3.7 0.9977 4.6
PFOA 4.86 0.9992 6.5 0.9988 8.3
PFNA 6.53 0.9997 2.7 0.9991 6.2
PFOS 7.91 0.9985 7.1 0.9980 2.4
PFDA 8.68 0.9924 6.8 0.9968 6.2
  1. Retention time (t R) and limit of detection (LOD) is shown for each compound using 1 ml injection volume and inline cleanup. The square of the sample correlation coefficient (R 2) of the linear calibration is given for the interval from 5 to 2,500 ng/l (11 levels used)
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