Table 6.
MS/MS acquisition parameters.
| MRM transitions | ||||||
|---|---|---|---|---|---|---|
| Analytes | Q1 > Q3 | RT (min) | Dwell (s) | Cone (V) | CE (eV) | Delay (s) |
| PFBAa | 212.9 > 168.9 | 1.3 | 0.20 | 18.0 | 9.0 | 0.01 |
| PFPeAa | 262.8 > 219.1 | 1.6 | 0.20 | 16.0 | 9.0 | 0.01 |
| PFHxA1a | 312.7 > 269.0 | 2.5 | 0.10 | 15.0 | 9.0 | 0.01 |
| PFHxA2 | 312.7 > 118.9 | 2.5 | 0.05 | 15.0 | 21.0 | 0.01 |
| PFOA1a | 412.6 > 369.0 | 3.7 | 0.10 | 18.0 | 10.0 | 0.01 |
| PFOA2 | 412.6 > 169.2 | 3.7 | 0.05 | 18.0 | 18.0 | 0.01 |
| PFBS1a | 298.7 > 79.8 | 2.9 | 0.10 | 45.0 | 29.0 | 0.01 |
| PFBS2 | 298.7 > 98.8 | 2.9 | 0.05 | 45.0 | 29.0 | 0.01 |
| PFHxS1a | 398.6 > 79.8 | 4.0 | 0.10 | 50.0 | 35.0 | 0.01 |
| PFHxS2 | 398.6 > 98.8 | 4.0 | 0.05 | 50.0 | 30.0 | 0.01 |
| PFOS1a | 498.5 > 79.8 | 4.9 | 0.10 | 60.0 | 45.0 | 0.01 |
| PFOS2 | 498.5 > 98.9 | 4.9 | 0.10 | 60.0 | 40.0 | 0.01 |
| MPFBAb | 216.9 > 172.1 | 1.3 | 0.10 | 15.0 | 10.0 | 0.01 |
| MPFPeAb | 267.8 > 223.1 | 1.6 | 0.20 | 15.0 | 9.0 | 0.01 |
| MPFHxAb | 314.6 > 270.0 | 2.5 | 0.10 | 15.0 | 10.0 | 0.01 |
| MPFOAb | 416.7 > 371.9 | 3.7 | 0.10 | 15.0 | 11.0 | 0.01 |
| MPFHxSb | 402.6 > 83.8 | 4.0 | 0.10 | 55.0 | 35.0 | 0.01 |
| MPFOSb | 502.5 > 79.9 | 4.9 | 0.10 | 60.0 | 40.0 | 0.01 |
a
Primary transition used for quantitation. Secondary transitions (when available) used for confirmation.
b
Stable isotope label internal standards.