Table 5.
Quantifier and qualifier transitions followed on the UPLC triple-quadrupole systems for each compound. CBZ: carbamazepine; PHE: phenytoin; LAMO: lamotrigine; E-CBZ: carbamazepine-10,11-epoxide; HPPH: 5-(4-hydroxyphenyl)-5-phenylhydantoin.
| LC-MS System | Compound | Quantifier Transition | Qualifier Transition |
|---|---|---|---|
| ACQUITY UPLC-triple quadrupole system |
CBZ | 237 → 194 | 237 → 165 |
| PHE | 253 → 182 | 253 → 104 | |
| LAMO | 256 → 211 | 256 → 108 | |
| Shimadzu UPLC-MS-8050 triple quadrupole system |
E-CBZ | 253.1 → 210.2 | 253.1 → 180.3 |
| HPPH | 268.9 → 120.1 | 268.9 → 104.2 | |
| LAMO | 255.9 → 109.1 | 255.9 → 211.1 |