Table 2.
MS/MS parameters of the method.
| Parameter | Caffeine (CAF) | Ibuprofen (IBU) | Carbamazepine (CBM ) |
|---|---|---|---|
| Ionization Mode | HESI (positive) | HESI (negative) | HESI (positive) |
| MRM Transitions (m/z) | 195-69 | 205-159 | 237-165 |
| 195-110 | 205-161 | 237-179 | |
| 195-138 | 205-178 | 237-194 | |
| Collision Energy (V) | 28.56 | 5.43 | 47.11 |
| 23.98 | 5.43 | 37.37 | |
| 19.68 | 8.15 | 20.4 | |
| Dwell Time (ms) | 98.6 | 118.5 | 98.6 |
| Aux Gas (Arb) | 15 | 15 | 15 |
| Sheath Gas (Arb) | 50 | 50 | 50 |
| Ion Tranfer Tube Temp. (oC) | 380 | 380 | 380 |
| Vaporizer Temp (oC) | 350 | 350 | 350 |
| SheathGasFlow | 50 | 50 | 50 |
| Capillary (V) | 3500 | 3500 | 3500 |
| CID Gas (mTorr) | 1.5 | 1.5 | 1.5 |