Table 1.
Multiple reaction monitoring (MRM) transitions, collision energies, retention time of pesticides and internal standard (IS) included in the method. The quantifier transition is underlined.
| Analyte | MRM Transition (m/z) | Collision energy (eV) | Retention time (min) | Internal Standard |
|---|---|---|---|---|
| Acetochlor | 270.3 > 224.1 | -12 | 5.4 | Butachlor |
| 270.3 > 148.1 | -23 | |||
| Alachlor | 270.3 > 238.2 | -12 | 5.4 | Butachlor |
| 270.3 > 162.3 | -21 | |||
| Metolachlor | 284.3 > 252.1 | -13 | 5.4 | Butachlor |
| 284.3 > 176.1 | -23 | |||
| Atrazine | 216.2 > 174.1 | -20 | 4.1 | Butachlor |
| 216.2 > 104.1 | -30 | |||
| Propazine | 230.2 > 188.1 | -18 | 4.6 | Butachlor |
| 230.2 > 146.1 | -25 | |||
| Simazine | 202.1 > 132.0 | -18 | 3.4 | Butachlor |
| 202.1 > 124.1 | -21 | |||
| Butachlor | 312.4 > 238.1 | -13 | 4.8 | |
| 312.4 > 162.2 | -23 |