Table 4. Parameters for pesticide residue analysis by GC-MS/MS

Compound Classification Retention time (min) Molecular weight Precussorion (m/z) Fragmention (m/z) Collision energy (eV)
Captan Fungicide 11.09 300.6 151.1 79.1 20
151.1 80.1 10
151.1 122 10
Chlorpyrifos Insecticide 18.43 350.6 196.7 107 36
196.7 168.9 12
313.9 257.9 12
Cyhalothrin Insecticide 28.09, 28.43 449.9 180.9 152 22
197.1 141.1 10
207.9 180.9 8
Cypermethrin Insecticide 31.58, 31.80, 31.90, 31.99 416.3 163 65.1 26
163 91.1 12
163 127.1 6
Cyproconazole Fungicide 22.63 291.8 222 82.1 10
222 89.3 38
222 125 20
Dicloran Fungicide 14.37 207.0 160 124.1 8
176 148 12
206 176 10
Diphenylamine Fungicide 12.91 169.2 168.1 139 38
168.1 167.1 14
169.2 167.1 22
Disulfoton Insecticide 15.72 274.4 142 81 12
142 109 6
186 97 17
Endosulafan-α Insecticide 21.10 406.9 194.7 125 22
194.7 159.4 8
240.6 205.9 14
Endosulafan-β Insecticide 23.12 406.9 158.9 123 12
194.7 159 8
240.6 205.8 12
Endosulafan-sulfate Insecticide 24.47 422.9 238.7 203.9 12
271.7 234.9 12
271.7 236.8 12
Epoxiconazole Fungicide 25.68 329.8 165 138 8
192 111 22
192 138 12
Fenamiphos Insecticide 21.41 303.4 260.1 243 5
303.1 195.2 5
303.1 260.1 10
Fenpropathrin Insecticide 27.32 349.4 141.1 95.1 10
181.1 152.1 20
265.1 210.1 10
Oxyfluorfen Herbicide 22.17 316.7 252 146 30
252 169.8 28
252 224 10
Pirimicarb Insecticide 16.11 238.3 166.1 55 18
166.1 96 12
238.1 166.1 10
Procymidone Fungicide 20.23 284.1 95.9 53 16
95.9 67.1 8
283 96.1 8
Profenofos Insecticide 21.75 373.6 296.7 268.9 10
336.9 266.9 12
336.9 308.9 8
Propiconazole Fungicide 24.47, 24.68 342.2 173 145 15
259 69 10
259 191 8
Tebuconazole Fungicide 25.22 307.8 125 89 16
125 99 16
250 125 20
Terbufos Insecticide 15.15 288.4 231 128.9 20
231 174.9 10
231 203 10
Triadimefon Fungicide 18.79 293.8 208 111 20
208 126.7 12
208 180.8 8
Triadimenol Fungicide 20.24 295.8 112 57.6 8
128 65 18
168.2 70 10
Triazophos Miticide 23.91 313.3 161 106.1 12
161 134.1 8
162.1 119.1 12