Table 2.
The retention time, diagnostic ions and selected quantification ion for the target pesticides and internal standard
| No. | Compound | Diagnostic ions (m/z) | Quantification ions (m/z) | Retention time (min) |
|---|---|---|---|---|
| 1 | Carbaryl | 144, 115.1, 145.1, 116.1 | 144.1 | 19.869 |
| 2 | Diazinon | 304, 276.1, 179,1 | 304.1 | 26.083 |
| 3 | Pirimicarb | 238.2, 166.1, 138 | 166.1 | 27.216 |
| 4 | Metalaxyl | 206.1, 249,234 | 206.1 | 28.777 |
| 5 | Pirimiphos methyl | 305, 290.1, 276 | 290.1 | 29.282 |
| 6 | Chlorpyrifos | 314, 257.8, 316 | 314.0 | 30.202 |
| 7 | Triphenyl methan | 236.9, 264.9, 338.9 | 244.1 | 30.648 |
| 8 | Alpha-Endosulfan | 236.9, 264.9, 338.9 | 236.9 | 33.365 |
| 9 | Beta-Endosulfan | 339.1, 264.9, 236.9 | 236.9 | 35.573 |
| 10 | Propargite | 350.2, 173.1, 201.1 | 350.2 | 37.390 |
| 11 | Fenpropathrin | 265.1, 208, 349.2 | 265.1 | 38.879 |
| 12 | Permethrin 1 | 183.1,163.1,184.1 | 183.1 | 42.233 |
| 13 | Permethrin 2 | 183.1,163.1,184.1 | 183.1 | 42.500 |
| 14 | Fenvalerate 1 | 419.2, 225.1, 167.1 | 167.1 | 47.256 |
| 15 | Fenvalerate 2 | 419.2, 225.1, 167.1 | 167.1 | 47.911 |