Research Article
Rapid Screening and Quantitative Analysis of 74 Pesticide Residues in Herb by Retention Index Combined with GC-QQQ-MS/MS
Table 1
Monitoring ion pairs and collision energy of 74 pesticide compounds.
| | Number | Pesticide name | m/z 1 | Collision energy (V) | m/z 2 | Collision energy (V) |
| | 1 | Dichlorvos | 109.0 > 79.0 | 8 | 185.0 > 93.0 | 14 | | 2 | Tecnazene | 260.9 > 202.9 | 14 | 202.9 > 142.9 | 22 | | 3 | Diphenylamine | 169.1 > 66.0 | 24 | 167.1 > 139.1 | 28 | | 4 | Chlordimeform | 196.0 > 181.0 | 10 | 181.0 > 140.0 | 15 | | 5 | Trifluralin | 306.1 > 264.1 | 8 | 264.1 > 160.1 | 18 | | 6 | α-BHC | 180.9 > 144.9 | 16 | 218.9 > 182.9 | 8 | | 7 | Hexachlorobenzene | 283.8 > 248.8 | 24 | 283.8 > 213.8 | 28 | | 8 | Pentachloroanisole | 264.8 > 236.8 | 16 | 279.9 > 236.8 | 26 | | 9 | Dicloran | 206.0 > 176.0 | 10 | 176.0 > 148.0 | 12 | | 10 | β-BHC | 180.9 > 144.9 | 16 | 218.9 > 182.9 | 8 | | 11 | Quintozene | 264.8 > 236.8 | 10 | 294.8 > 236.8 | 15 | | 12 | γ-BHC | 180.9 > 144.9 | 16 | 218.9 > 182.9 | 8 | | 13 | Terbufos | 231.0 > 128.9 | 26 | 231.0 > 174.9 | 14 | | 14 | Chlorothalonil | 263.9 > 168.0 | 24 | 263.9 > 228.8 | 18 | | 15 | Tefluthrin | 177.0 > 127.1 | 16 | 177.0 > 137.1 | 16 | | 16 | δ-BHC | 180.9 > 144.9 | 16 | 218.9 > 182.9 | 8 | | 17 | Pentachloraniline | 262.9 > 191.9 | 22 | 264.9 > 193.9 | 18 | | 18 | Chlorpyrifos-methyl | 285.9 > 93.0 | 22 | 287.9 > 93.0 | 22 | | 19 | Vinclozolin | 212.0 > 172.0 | 16 | 285.0 > 212.0 | 12 | | 20 | Parathion-methyl | 263.0 > 109.0 | 14 | 125.0 > 47.0 | 12 | | 21 | Heptachlor | 271.8 > 236.9 | 20 | 273.8 > 238.9 | 16 | | 22 | Fenchlorphos | 284.9 > 269.9 | 16 | 286.9 > 271.9 | 18 | | 23 | Octachlorodipropylether | 130.0 > 95.0 | 20 | 181.0 > 85.0 | 10 | | 24 | Fenitrothion | 283.1 > 115.0 | 18 | 283.1 > 131.0 | 18 | | 25 | Methyl-pentachlorophenyl sulfide | 295.8 > 262.9 | 14 | 295.8 > 245.8 | 30 | | 26 | Dichlofluanid | 223.9 > 123.1 | 8 | 167.1 > 124.1 | 10 | | 27 | Chlorpyrifos | 196.9 > 168.9 | 14 | 313.9 > 257.9 | 14 | | 28 | Aldrin | 262.9 > 191.0 | 34 | 262.9 > 193.0 | 28 | | 29 | Fenthion-d6 | 284.0 > 115.0 | 20 | 284.0 > 169.0 | 15 | | 30 | Chlorthal-dimethyl | 298.9 > 220.9 | 24 | 300.9 > 222.9 | 26 | | 31 | Parathion-ethyl | 139.0 > 109.0 | 8 | 291.1 > 109.0 | 14 | | 32 | Triadimefon | 208.1 > 181.0 | 10 | 208.1 > 111.0 | 22 | | 33 | Dicofol | 139.0 > 111.0 | 16 | 139.0 > 75.0 | 28 | | 34 | Butralin | 266.1 > 190.1 | 12 | 266.1 > 236.1 | 8 | | 35 | Bromophos-methyl | 330.9 > 315.9 | 14 | 328.9 > 313.9 | 18 | | 36 | Pendimethalin | 252.1 > 162.1 | 10 | 252.1 > 191.1 | 8 | | 37 | Fipronil | 366.9 > 212.9 | 30 | 368.9 > 214.9 | 30 | | 38 | Heptachlor exo-epoxide | 352.8 > 262.9 | 14 | 354.8 > 264.9 | 20 | | 39 | Chlordane-oxy | 185.0 > 149.0 | 6 | 185.0 > 121.0 | 12 | | 40 | Heptachlor endo-epoxide | 352.8 > 253.0 | 26 | 354.8 > 253.0 | 18 | | 41 | Dimepiperate | 119.1 > 91.1 | 10 | 145.1 > 112.1 | 8 | | 42 | Procymidone | 283.0 > 96.0 | 10 | 285.0 > 96.0 | 10 | | 43 | Triadimenol-1 | 168.1 > 70.0 | 10 | 128.1 > 65.0 | 22 | | 44 | Triadimenol-2 | 168.1 > 70.0 | 10 | 128.1 > 65.0 | 22 | | 45 | Bromophos-ethyl | 358.9 > 302.9 | 16 | 302.9 > 284.9 | 18 | | 46 | Chlordane-trans | 374.8 > 265.9 | 26 | 372.8 > 263.9 | 28 | | 47 | o, p’-DDE | 246.0 > 176.0 | 30 | 248.0 > 176.0 | 28 | | 48 | Flumetralin | 143.0 > 107.0 | 21 | 143.0 > 83.0 | 18 | | 49 | Chlordane-cis | 374.8 > 265.9 | 26 | 372.8 > 263.9 | 28 | | 50 | α-Endosulfan | 194.9 > 160.0 | 8 | 194.9 > 125.0 | 24 | | 51 | p, p’-DDE | 246.0 > 176.0 | 30 | 317.9 > 248.0 | 24 | | 52 | Dieldrin | 276.9 > 241.0 | 8 | 262.9 > 193.0 | 34 | | 53 | o, p’-DDD | 235.0 > 165.0 | 24 | 237.0 > 165.0 | 28 | | 54 | Chlorfenapyr | 247.1 > 227.0 | 16 | 139.0 > 102.0 | 12 | | 55 | Nitrofen | 202.0 > 139.0 | 24 | 282.9 > 253.0 | 12 | | 56 | Endrin | 262.9 > 191.0 | 30 | 262.9 > 193.0 | 28 | | 57 | β-Endosulfan | 194.9 > 160.0 | 8 | 194.9 > 125.0 | 24 | | 58 | p, p’-DDD | 235.0 > 165.0 | 24 | 237.0 > 165.0 | 28 | | 59 | o, p’-DDT | 235.0 > 165.0 | 24 | 237.0 > 165.0 | 28 | | 60 | Endosulfan sulfate | 271.8 > 236.9 | 18 | 386.8 > 252.9 | 16 | | 61 | p, p’-DDT | 235.0 > 165.0 | 24 | 237.0 > 165.0 | 28 | | 62 | Bifenthrin | 181.1 > 166.1 | 12 | 181.1 > 179.1 | 12 | | 63 | Bromopropylate | 340.9 > 182.9 | 18 | 340.9 > 184.9 | 20 | | 64 | Methoxychlor | 227.1 > 169.1 | 24 | 227.1 > 212.1 | 14 | | 65 | Fenpropathrin | 181.1 > 152.1 | 22 | 265.1 > 210.1 | 12 | | 66 | Phenothrin-1 | 123.1 > 81.0 | 8 | 183.1 > 153.1 | 14 | | 67 | Phenothrin-2 | 123.1 > 81.0 | 8 | 183.1 > 153.1 | 14 | | 68 | Cyhalothrin-1 | 208.0 > 181.0 | 8 | 197.0 > 141.0 | 12 | | 69 | Acrinathrin | 181.1 > 152.1 | 26 | 289.1 > 93.0 | 14 | | 70 | Cyhalothrin-2 | 208.0 > 181.0 | 8 | 197.0 > 141.0 | 12 | | 71 | Mirex | 271.8 > 236.8 | 18 | 273.8 > 238.8 | 18 | | 72 | Acrinathrin-2 | 181.1 > 152.1 | 26 | 289.1 > 93.0 | 14 | | 73 | Permethrin-1 | 183.1 > 153.1 | 14 | 183.1 > 168.1 | 14 | | 74 | Permethrin-2 | 183.1 > 153.1 | 14 | 183.1 > 168.1 | 14 | | 75 | Cyfluthrin-1 | 163.1 > 127.1 | 6 | 163.1 > 91.0 | 14 | | 76 | Cyfluthrin-2 | 163.1 > 127.1 | 6 | 163.1 > 91.0 | 14 | | 77 | Cyfluthrin-3 | 163.1 > 127.1 | 6 | 163.1 > 91.0 | 14 | | 78 | Cyfluthrin-4 | 163.1 > 127.1 | 6 | 163.1 > 91.0 | 14 | | 79 | Cypermethrin-1 | 163.1 > 127.1 | 6 | 163.1 > 91.0 | 14 | | 80 | Cypermethrin-2 | 163.1 > 127.1 | 6 | 163.1 > 91.0 | 14 | | 81 | Cypermethrin-3 | 163.1 > 127.1 | 6 | 163.1 > 91.0 | 14 | | 82 | Flucythrinate-1 | 199.1 > 157.1 | 10 | 157.1 > 107.1 | 12 | | 83 | Quizalofop-ethyl | 372.1 > 299.1 | 14 | 299.1 > 255.1 | 18 | | 84 | Cypermethrin-4 | 163.1 > 127.1 | 6 | 163.1 > 91.0 | 14 | | 85 | Flucythrinate-2 | 199.1 > 157.1 | 10 | 157.1 > 107.1 | 12 | | 86 | Fenvalerate-1 | 225.1 > 119.1 | 20 | 225.1 > 147.1 | 10 | | 87 | Fenvalerate-2 | 225.1 > 119.1 | 20 | 225.1 > 147.1 | 10 | | 88 | Deltamethrin-1 | 180.9 > 151.9 | 22 | 252.9 > 93.0 | 20 | | 89 | Deltamethrin-2 | 180.9 > 151.9 | 22 | 252.9 > 93.0 | 20 |
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Compound 29 is internal standard compound. Some pesticides have multiple retention times because of isomers.
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