Table 2.
Compound specific mass spectrometer conditions.
| Analyte | Ret. time (min) | Precursor ion | Product ion | DP | FP | CE | CXP |
| 8-iso-PGF 2alfa | 12.3 | 353.2 | 309.2 | -66 | -310 | -26 | -17 |
| 11-β-PGF 2alfa | 12.4 | 353.2 | 309.2 | -66 | -310 | -26 | -17 |
| PGF 2alfa | 12.7 | 353.2 | 309.2 | -66 | -310 | -26 | -17 |
| PGE 2 | 13.0 | 351.2 | 315.2 | -36 | -170 | -16 | -15 |
| PGD 2 | 13.4 | 351.2 | 315.2 | -36 | -170 | -16 | -15 |
| 13,14-dihydro-15-keto-PGE 2 | 13.9 | 351.2 | 333.3 | -26 | -150 | -16 | -15 |
| 13,14-dihydro-15-keto-PGD 2 | 14.4 | 351.2 | 333.3 | -26 | -150 | -16 | -15 |
| LTE 4 | 14.5 | 438.2 | 333.2 | -14 | -70 | -24 | -17 |
| Delta 12-PGJ 2 | 14.7 | 333.2 | 315.1 | -36 | -200 | -12 | -17 |
| PGJ 2 | 14.8 | 333.2 | 315.1 | -36 | -200 | -12 | -17 |
| LTB 4 | 15.3 | 335.2 | 195.2 | -31 | -150 | -16 | -15 |
| 15-desoxy-delta12,14-PGJ 2 | 16.2 | 315.1 | 271.1 | -45 | -210 | -16 | -15 |
Declustering and Focusing Potential as well as Collision Potential are expressed in Volts (V)