Table 2.
Mass fragmentation and instrument ionisation conditions.
| Analyte | Polarity | Precursor Ion (m/z) | Product Ion (m/z) | DP 5 (volts) | EP 6 (volts) | CE 7 (volts) |
CXP 8 (volts) |
|---|---|---|---|---|---|---|---|
| OTC 1 | + | 461.00 | 426.00 | 72.00 | 10.00 | 28.00 | 25.00 |
| 381.00 | 36.00 | 22.00 | |||||
| MTC 2 | + | 443.17 | 426.15 | 20.00 | 15.00 | 20.00 | 30.00 |
| FF 3 | – | 356.00 | 336.00 | 30.00 | 10.00 | 28.00 | 25.00 |
| 185.00 | 30.00 | 10.00 | 28.00 | 25.00 | |||
| CAF d5 4 | – | 321.00 | 256.30 | 30.00 | 10.00 | 28.00 | 25.00 |
1 OTC: Oxytetracycline; 2 MTC: Metacycline; 3 FF: Florfenicol; 4 CAF d5: Chloramphenicol D5; 5 DP: Declustering potential; 6 EP: Entry potential; 7 CE: Collision energy; 8 CXP: Collision cell exit potential.