Table 7.
MRM transitions in negative ESI mode. The MRM method was built by grouping of toxins with similar retention times in chromatographic separation. Bold ions indicate primary MRM transition for quantification of corresponding analogues.
| Time Windows Group | Analytes | Precursor Ion, m/z | Product Ion, m/z | Cone, V | Dwell, ms | CE, eV |
|---|---|---|---|---|---|---|
| 1 | GTX2 | 394.1 | 351.1; 333.1 | 10 | 60 | 16, 22 |
| GTX3 | 394.1 | 351.1; 333.1 | 10 | 60 | 16; 22 | |
| GTX1 | 410.1 | 367.1; 349.1 | 10 | 60 | 15; 22 | |
| GTX4 | 410.1 | 367.1; 349.1 | 10 | 60 | 15; 22 | |
| dcGTX2 | 351.1 | 333.1; 164.0 | 10 | 60 | 17; 30 | |
| dcGTX3 | 351.1 | 333.1; 164.0 | 10 | 60 | 17; 30 | |
| 2 | GTX5 | 378.1 | 122 | 10 | 100 | 25 |
| GTX6 | 394.1 | 122 | 10 | 100 | 25 | |
| 3 | C1 | 474.1 | 351.1; 122.0 | 10 | 40 | 25; 30 |
| C2 | 474.1 | 351.1; 122.0 | 10 | 40 | 25; 30 |