Table 1 Details of the MS/MS parameters for analysis of the compounds.
Compounds | Molecular formula | Molecular weight | Precursor ion (m/z) | Product ion (m/z) | Q/q a | Collision energy (v) | Dwell time (s) | Retention time (min) |
|---|---|---|---|---|---|---|---|---|
Bifenthrin | C23H22ClF3O2 | 422.9 | 181.2 | 166.2 | Q | 10 | 24 | 11.54 |
181.2 | 165.2 | q | 20 | 24 | ||||
Fenpropathrin | C22H23NO3 | 349.4 | 207.9 | 181.0 | Q | 5 | 24 | 11.63 |
264.9 | 210.0 | q | 10 | 24 | ||||
Cyhalothrin | C23H19ClF3NO3 | 449.9 | 197.0 | 141.0 | Q | 10 | 24 | 12.01, 12.13 |
197.0 | 161.0 | q | 5 | 24 | ||||
Permethrin | C21H20Cl2O3 | 391.3 | 183.1 | 168.1 | Q | 15 | 18 | 12.66, 12.74 |
183.1 | 153.0 | q | 10 | 18 | ||||
Cyfluthrin | C22H18Cl2FNO3 | 434.3 | 226.0 | 206.0 | Q | 18 | 15 | 13.05, 13.11, 13.18 |
198.9 | 170.1 | q | 18 | 25 | ||||
Cypermethrin | C22H19Cl2NO3 | 416.3 | 163.0 | 91.0 | Q | 18 | 10 | 13.29, 13.36, 13.44 |
163.0 | 127.0 | q | 18 | 5 | ||||
Flucythrinate | C26H23F2NO4 | 451.5 | 156.9 | 107.1 | Q | 18 | 15 | 13.39, 13.53 |
198.9 | 157.0 | q | 18 | 15 | ||||
Tau-fluvalinate | C26H22ClF3N2O3 | 502.9 | 250.0 | 55.0 | Q | 37 | 40 | 14.19, 14.24 |
181.0 | 152.0 | q | 37 | 40 | ||||
Fenvalerate | C25H22ClNO3 | 419.9 | 167.0 | 125.1 | Q | 37 | 5 | 14.02, 14.20 |
224.9 | 119.0 | q | 37 | 15 | ||||
Deltamethrin | C22H19Br2NO3 | 505.2 | 252.9 | 93.0 | Q | 37 | 15 | 14.73 |
250.7 | 172.0 | q | 37 | 5 |