Table 1.
Tandem mass spectrometer parameters
| Analyte | Ion type | Precursor ion (m/z) | Product ion (m/z) | Collision energy (V) |
|---|---|---|---|---|
| ECBA | Quantitation | 194 | 149 | 15 |
| Confirmation | 194 | 121 | 23 | |
| Internal standard | 199 | 149 | 17 | |
| DCBA | Quantitation | 222 | 149 | 12 |
| Confirmation | 222 | 121 | 27 | |
| Internal standard | 232 | 149 | 19 | |
| Acetamiprid | Quantitation | 223 | 126 | 19 |
| Confirmation | 223 | 90 | 33 | |
| Internal standard | 226 | 126 | 21 | |
| N-Desmethyl-acetamiprid | Quantitation | 209 | 126 | 17 |
| Confirmation | 209 | 90 | 31 | |
| Internal standard | 215 | 126 | 17 | |
| Clothianidin | Quantitation | 250 | 132 | 15 |
| Confirmation | 250 | 113 | 29 | |
| Internal standard | 253 | 172 | 13 | |
| Imidacloprid | Quantitation | 256 | 209 | 14 |
| Confirmation | 256 | 175 | 16 | |
| Internal standard | 260 | 213 | 17 | |
| 5-Hydroxy-imidacloprid | Quantitation | 272 | 225 | 16 |
| Confirmation | 272 | 191 | 19 | |
| Internal standard | 276 | 229 | 17 | |
| Thiacloprid | Quantitation | 253 | 126 | 19 |
| Confirmation | 253 | 90 | 34 | |
| Internal standard | 257 | 126 | 21 |