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LC Multiresidue Pesticide Mix Extracted from Celery with QuEChERS Slim Pouch on Raptor ARC-18 by LC-MS/MS
| Peaks | tR (min) | Precursor Ion | Product Ion 1 | Product Ion 2 | |
|---|---|---|---|---|---|
| 1. | Cyromazine | 0.749 | 167.1 | 68.1 | 43.1 |
| 2. | Methamidophos | 1.314 | 142.0 | 94.0 | 125.1 |
| 3. | Formetanate | 1.684 | 222.1 | 165.0 | 46.1 |
| 4. | Carbofuran | 1.685 | 222.2 | 165.0 | 123.1 |
| 5. | Methabenzthiazuron | 1.685 | 222.0 | 165.0 | 150.0 |
| 6. | Acephate | 1.692 | 184.0 | 143.0 | 49.0 |
| 7. | Pymetrozine | 1.705 | 218.1 | 105.0 | 78.0 |
| 8. | Aminocarb | 1.711 | 209.1 | 137.1 | 152.1 |
| 9. | Propamocarb | 1.731 | 189.1 | 102.0 | 144.1 |
| 10. | Omethoate | 1.899 | 214.0 | 125.0 | 183.0 |
| 11. | Dinotefuran | 1.964 | 203.1 | 129.1 | 87.1 |
| 12. | Aldicarb sulfoxide | 2.005 | 207.1 | 89.0 | 132.1 |
| 13. | Butoxycarboxim | 2.016 | 223.0 | 106.0 | 166.0 |
| 14. | Nitenpyram | 2.044 | 271.0 | 56.0 | 56.0 |
| 15. | Aldicarb sulfone | 2.055 | 240.2 | 148.0 | 86.0 |
| 16. | Carbendazim | 2.084 | 192.0 | 160.0 | 131.9 |
| 17. | Oxamyl | 2.150 | 237.1 | 72.0 | 90.0 |
| 18. | Flonicamid | 2.230 | 230.1 | 203.0 | 148.0 |
| 19. | Methomyl | 2.258 | 163.1 | 88.0 | 106.1 |
| 20. | Thiabendazole | 2.273 | 201.8 | 104.0 | 104.0 |
| 21. | Thiamethoxam | 2.283 | 292.1 | 211.1 | 181.1 |
| 22. | Fuberidazole | 2.362 | 185.0 | 157.1 | 103.0 |
| 23. | Monocrotophos | 2.373 | 224.1 | 127.0 | 193.1 |
| 24. | Dioxacarb | 2.374 | 224.1 | 167.0 | 77.1 |
| 25. | Mexacarbate | 2.377 | 223.2 | 151.1 | 151.1 |
| 26. | Dicrotophos | 2.520 | 238.1 | 112.1 | 72.0 |
| 27. | Imidacloprid | 2.532 | 256.1 | 175.0 | 209.0 |
| 28. | Clothianidin | 2.541 | 250.0 | 169.0 | 113.0 |
| 29. | Dimethoate-d6 (IS) | 2.650 | 236.2 | 205.2 | 131.2 |
| 30. | Fenuron | 2.660 | 165.0 | 72.1 | 46.1 |
| 31. | Trichlorfon | 2.664 | 257.0 | 108.9 | 220.8 |
| 32. | Dimethoate | 2.666 | 230.0 | 125.0 | 125.0 |
| 33. | 3-Hydroxycarbofuran | 2.680 | 238.1 | 163.0 | 163.0 |
| 34. | Vamidothion | 2.693 | 288.0 | 146.0 | 118.0 |
| 35. | Mevinphos | 2.710 | 225.1 | 127.0 | 127.0 |
| 36. | Acetamiprid | 2.720 | 223.0 | 126.0 | 56.1 |
| 37. | Propoxur | 2.765 | 210.0 | 111.0 | 168.0 |
| 38. | Ethirimol | 2.768 | 210.2 | 140.2 | 98.2 |
| 39. | Cymoxanil | 2.802 | 199.1 | 128.2 | 111.2 |
| 40. | Thiacloprid | 2.862 | 253.0 | 126.0 | 99.0 |
| 41. | Pirimicarb | 2.871 | 239.2 | 72.0 | 182.1 |
| 42. | Butocarboxim | 2.993 | 191.2 | 75.3 | 41.3 |
| 43. | Aldicarb | 3.020 | 208.2 | 89.2 | 89.2 |
| 44. | Tricyclazole | 3.062 | 190.0 | 136.0 | 136.0 |
| 45. | Oxadixyl | 3.073 | 279.1 | 219.1 | 132.1 |
| 46. | Carbetamide | 3.078 | 237.1 | 118.1 | 118.1 |
| 47. | Simetryn | 3.103 | 214.1 | 68.0 | 96.0 |
| 48. | Thiophanate-methyl | 3.144 | 343.0 | 151.0 | 311.1 |
| 49. | Thidiazuron | 3.147 | 221.1 | 102.1 | 127.9 |
| 50. | Bendiocarb | 3.203 | 224.1 | 109.0 | 109.0 |
| 51. | Prometon | 3.206 | 226.1 | 142.1 | 184.0 |
| 52. | Secbumeton | 3.210 | 226.2 | 100.2 | 100.2 |
| 53. | Imazalil | 3.216 | 297.1 | 159.0 | 41.1 |
| 54. | Terbumeton | 3.217 | 226.1 | 114.1 | 170.1 |
| 55. | Metribuzin | 3.226 | 215.1 | 187.1 | 131.0 |
| 56. | Pyracarbolid | 3.274 | 218.1 | 125.1 | 97.0 |
| 57. | Tebuthiuron | 3.307 | 229.1 | 172.1 | 116.0 |
| 58. | Carbaryl | 3.309 | 202.1 | 145.0 | 127.0 |
| 59. | Carboxin | 3.321 | 236.1 | 143.0 | 87.1 |
| 60. | Monolinuron | 3.371 | 215.1 | 126.0 | 148.0 |
| 61. | Fluometuron | 3.378 | 233.1 | 72.1 | 46.1 |
| 62. | Diuron | 3.380 | 233.1 | 72.1 | 46.0 |
| 63. | Ethiofencarb | 3.400 | 226.0 | 107.0 | 164.0 |
| 64. | Ametryn | 3.419 | 228.1 | 68.1 | 186.1 |
| 65. | Chlorotoluron | 3.446 | 213.0 | 72.1 | 46.1 |
| 66. | Metobromuron | 3.479 | 259.0 | 170.0 | 148.1 |
| 67. | Propham | 3.496 | 180.1 | 77.1 | 77.1 |
| 68. | Flutriafol | 3.504 | 302.0 | 70.1 | 123.0 |
| 69. | Methoprotryne | 3.508 | 272.1 | 170.0 | 198.1 |
| 70. | Forchlorfenuron | 3.535 | 248.1 | 93.0 | 93.0 |
| 71. | Isoprocarb | 3.540 | 194.1 | 95.1 | 137.1 |
| 72. | Fenpropimorph | 3.549 | 304.2 | 147.1 | 117.0 |
| 73. | Atrazine-d5 (SS) | 3.571 | 221.2 | 179.2 | 101.3 |
| 74. | Isocarbophos | 3.602 | 291.1 | 231.1 | 121.1 |
| 75. | Isoproturon | 3.609 | 207.1 | 72.1 | 46.1 |
| 76. | Desmedipham | 3.616 | 318.0 | 154.1 | 301.0 |
| 77. | Phenmedipham | 3.617 | 318.1 | 108.1 | 93.1 |
| 78. | Spiroxamine | 3.622 | 298.2 | 144.2 | 58.2 |
| 79. | Pyrimethanil | 3.639 | 200.0 | 82.0 | 82.0 |
| 80. | Metalaxyl | 3.688 | 280.1 | 220.1 | 192.1 |
| 81. | Chlorantraniliprole | 3.731 | 484.0 | 452.8 | 285.8 |
| 82. | Cycluron | 3.780 | 199.1 | 89.1 | 46.0 |
| 83. | Prometryn | 3.798 | 242.1 | 158.0 | 200.2 |
| 84. | Linuron-d6 (SS) | 3.839 | 255.1 | 160.1 | 185.2 |
| 85. | Linuron | 3.851 | 249.0 | 160.0 | 182.0 |
| 86. | Fenobucarb | 3.885 | 208.0 | 95.1 | 152.1 |
| 87. | Azoxystrobin | 3.914 | 404.2 | 372.0 | 344.0 |
| 88. | Diethofencarb | 3.924 | 268.1 | 226.1 | 124.0 |
| 89. | Fludioxonil* | 3.927 | 247.1 | 180.1 | 126.1 |
| 90. | Ethofumesate | 3.928 | 304.1 | 121.1 | 241.0 |
| 91. | Ethiprole | 3.936 | 397.0 | 255.0 | 255.0 |
| 92. | Methiocarb | 3.956 | 226.1 | 121.1 | 121.1 |
| 93. | Siduron | 3.962 | 233.3 | 94.0 | 137.1 |
| 94. | Halofenozide | 3.972 | 331.1 | 104.9 | 275.0 |
| 95. | Fenamidone | 3.986 | 312.0 | 92.1 | 236.1 |
| 96. | Furalaxyl | 3.989 | 302.1 | 95.0 | 95.0 |
| 97. | Acibenzolar-S-methyl | 4.018 | 210.9 | 136.1 | 91.1 |
| 98. | Nuarimol | 4.027 | 315.1 | 252.0 | 207.0 |
| 99. | Dimethomorph | 4.040 | 388.2 | 300.9 | 165.1 |
| 100. | Boscalid | 4.048 | 343.0 | 306.8 | 140.0 |
| 101. | Mandipropamid | 4.065 | 412.1 | 328.1 | 125.0 |
| 102. | Flutolanil | 4.074 | 324.1 | 242.0 | 242.0 |
| 103. | Promecarb | 4.092 | 208.1 | 109.0 | 151.0 |
| 104. | Triadimenol | 4.114 | 296.1 | 70.1 | 43.1 |
| 105. | Paclobutrazol | 4.115 | 294.0 | 70.1 | 125.0 |
| 106. | Mepronil | 4.158 | 270.1 | 119.0 | 119.0 |
| 107. | Cyproconazole | 4.169 | 292.2 | 70.1 | 125.0 |
| 108. | Bupirimate | 4.186 | 317.2 | 166.0 | 237.1 |
| 109. | Myclobutanil | 4.192 | 289.2 | 70.1 | 125.1 |
| 110. | Chloroxuron | 4.220 | 291.1 | 72.1 | 46.1 |
| 111. | Methoxyfenozide | 4.225 | 369.2 | 149.0 | 313.1 |
| 112. | Cyprodinil | 4.261 | 226.1 | 93.0 | 77.0 |
| 113. | Triadimefon | 4.281 | 294.0 | 69.0 | 197.0 |
| 114. | Bifenazate | 4.291 | 301.1 | 170.1 | 170.1 |
| 115. | Mefenacet | 4.323 | 299.1 | 120.1 | 120.1 |
| 116. | Mepanipyrim | 4.329 | 224.1 | 106.1 | 106.1 |
| 117. | Fluquinconazole | 4.342 | 376.0 | 348.9 | 307.0 |
| 118. | Fluoxastrobin | 4.376 | 459.2 | 427.0 | 188.1 |
| 119. | Tetraconazole | 4.379 | 372.0 | 159.0 | 70.0 |
| 120. | Fenhexamid | 4.382 | 302.1 | 97.1 | 55.1 |
| 121. | Bromuconazole isomer 1 | 4.382 | 376.0 | 159.0 | 159.0 |
| 122. | Iprovalicarb | 4.408 | 321.2 | 119.0 | 91.1 |
| 123. | Butafenacil | 4.408 | 492.1 | 179.9 | 179.9 |
| 124. | Flufenacet | 4.424 | 364.1 | 152.0 | 194.1 |
| 125. | Triticonazole | 4.427 | 318.0 | 70.0 | 125.0 |
| 126. | Cyazofamid | 4.431 | 325.1 | 108.0 | 44.0 |
| 127. | Diflubenzuron | 4.451 | 311.0 | 158.0 | 141.0 |
| 128. | Spirotetramat | 4.478 | 374.1 | 330.1 | 302.0 |
| 129. | Fenarimol | 4.509 | 331.0 | 267.9 | 189.1 |
| 130. | Fenbuconazole | 4.514 | 337.0 | 125.0 | 70.1 |
| 131. | Epoxiconazole | 4.525 | 330.0 | 121.1 | 101.0 |
| 132. | Etaconazole | 4.553 | 328.1 | 159.0 | 55.0 |
| 133. | Fipronil* | 4.573 | 436.9 | 332.0 | 252.0 |
| 134. | Neburon | 4.634 | 275.0 | 88.1 | 88.1 |
| 135. | Flusilazole | 4.640 | 316.1 | 165.1 | 165.1 |
| 136. | Fenoxycarb | 4.647 | 302.2 | 88.1 | 116.1 |
| 137. | Picoxystrobin | 4.671 | 368.0 | 145.0 | 205.0 |
| 138. | Rotenone | 4.679 | 395.1 | 213.1 | 192.1 |
| 139. | Tebufenozide | 4.715 | 353.2 | 133.1 | 105.0 |
| 140. | Dimoxystrobin | 4.732 | 327.1 | 116.1 | 116.1 |
| 141. | Bromuconazole isomer 2 | 4.740 | 378.0 | 159.0 | 159.0 |
| 142. | Flubendiamide | 4.744 | 700.0 | 408.0 | 274.0 |
| 143. | Diclobutrazol | 4.759 | 328.0 | 70.1 | 159.0 |
| 144. | Carfentrazone ethyl | 4.768 | 429.1 | 412.1 | 346.1 |
| 145. | Kresoxim-methyl | 4.796 | 314.0 | 116.0 | 116.0 |
| 146. | Tebuconazole | 4.821 | 308.0 | 70.1 | 124.9 |
| 147. | Spinosad A | 4.833 | 732.5 | 142.1 | 98.1 |
| 148. | Penconazole | 4.848 | 284.1 | 70.1 | 159.0 |
| 149. | Zoxamide | 4.891 | 336.1 | 187.0 | 159.0 |
| 150. | Famoxadone | 4.937 | 392.2 | 238.0 | 238.0 |
| 151. | Prochloraz | 4.954 | 376.0 | 308.0 | 70.1 |
| 152. | Diazinon-diethyl-d10 (IS) | 4.955 | 315.2 | 170.2 | 154.3 |
| 153. | Triflumuron | 4.982 | 359.1 | 156.0 | 111.0 |
| 154. | Hydramethylnon | 4.984 | 495.2 | 323.2 | 45.2 |
| 155. | Hexaconazole | 4.991 | 314.1 | 70.0 | 158.8 |
| 156. | Benalaxyl | 5.016 | 326.2 | 148.0 | 208.1 |
| 157. | Metconazole | 5.030 | 320.1 | 70.1 | 125.0 |
| 158. | Propiconazole | 5.053 | 342.0 | 159.0 | 69.0 |
| 159. | Pyraclostrobin | 5.070 | 388.0 | 163.1 | 163.1 |
| 160. | Clofentezine | 5.075 | 303.0 | 138.0 | 102.0 |
| 161. | Bitertanol | 5.114 | 338.2 | 70.1 | 70.1 |
| 162. | Spinosad D | 5.139 | 746.5 | 142.0 | 98.0 |
| 163. | Benzoximate | 5.169 | 364.0 | 105.0 | 105.0 |
| 164. | Diniconazole | 5.182 | 326.1 | 70.0 | 158.9 |
| 165. | Thiobencarb | 5.192 | 258.0 | 125.0 | 89.1 |
| 166. | Spinetoram | 5.220 | 748.5 | 142.1 | 98.2 |
| 167. | Pencycuron | 5.225 | 329.1 | 125.0 | 89.0 |
| 168. | Triflumizole | 5.340 | 346.1 | 278.0 | 73.1 |
| 169. | Hexaflumuron* | 5.342 | 459.0 | 439.0 | 175.0 |
| 170. | Indoxacarb | 5.370 | 528.1 | 203.0 | 203.0 |
| 171. | Difenoconazole | 5.377 | 406.1 | 251.1 | 152.0 |
| 172. | Trifloxystrobin | 5.419 | 409.0 | 186.0 | 206.0 |
| 173. | Ipconazole | 5.421 | 334.2 | 70.0 | 124.9 |
| 174. | Emamectin-benzoate B1b | 5.441 | 872.2 | 158.2 | 82.1 |
| 175. | Novaluron* | 5.443 | 491.0 | 471.0 | 304.9 |
| 176. | Clethodim | 5.559 | 360.1 | 164.1 | 268.1 |
| 177. | Teflubenzuron | 5.610 | 380.9 | 140.9 | 158.0 |
| 178. | Buprofezin | 5.618 | 306.2 | 106.1 | 86.0 |
| 179. | Emamectin-benzoate B1a | 5.632 | 886.5 | 158.0 | 82.1 |
| 180. | Alanycarb | 5.684 | 400.1 | 91.0 | 238.0 |
| 181. | Fluazinam* | 5.719 | 463.0 | 415.9 | 397.9 |
| 182. | Metaflumizone* | 5.720 | 505.1 | 302.1 | 328.0 |
| 183. | Furathiocarb | 5.731 | 383.1 | 195.0 | 252.1 |
| 184. | Temephos | 5.753 | 467.1 | 125.0 | 418.9 |
| 185. | Lufenuron | 5.771 | 511.2 | 141.0 | 158.0 |
| 186. | Tebufenpyrad | 5.775 | 334.0 | 117.0 | 145.0 |
| 187. | Pyriproxyfen | 5.834 | 322.0 | 96.0 | 227.1 |
| 188. | Piperonyl butoxide | 5.858 | 356.2 | 177.0 | 119.1 |
| 189. | Hexythiazox | 5.922 | 353.2 | 168.1 | 168.1 |
| 190. | Quinoxyfen | 5.924 | 308.1 | 197.0 | 162.0 |
| 191. | Flufenoxuron | 5.980 | 489.1 | 141.0 | 141.0 |
| 192. | Propargite | 6.084 | 368.1 | 231.1 | 175.0 |
| 193. | Etoxazole | 6.090 | 360.2 | 141.0 | 57.1 |
| 194. | Spiromesifen | 6.124 | 371.3 | 273.2 | 255.2 |
| 195. | Chlorfluazuron | 6.157 | 539.8 | 382.9 | 158.0 |
| 196. | Spirodiclofen | 6.263 | 428.3 | 71.1 | 313.1 |
| 197. | Fenpyroximate | 6.277 | 422.1 | 366.1 | 138.1 |
| 198. | Pyridaben | 6.433 | 365.2 | 147.0 | 309.1 |
| 199. | Eprinomectin | 6.463 | 914.6 | 186.1 | 154.1 |
| 200. | Abamectin B1a | 6.541 | 890.6 | 305.4 | 567.2 |
| 201. | Fenazaquin | 6.549 | 307.1 | 161.0 | 131.1 |
| 202. | Doramectin | 6.727 | 916.6 | 331.2 | 593.4 |
| 203. | Ivermectin | 6.884 | 892.6 | 551.4 | 569.4 |
*Detected in ESI- mode
LC_FS0522
| Column | Raptor ARC-18 (cat.# 9314A12) | ||||||||||||||||||||||||||||||||
| Dimensions: | 100 mm x 2.1 mm ID | ||||||||||||||||||||||||||||||||
| Particle Size: | 2.7 µm | ||||||||||||||||||||||||||||||||
| Pore Size: | 90 Å | ||||||||||||||||||||||||||||||||
| Guard Column: | Raptor ARC-18 EXP guard column cartridge 5 mm, 2.1 mm ID, 2.7 µm (cat.# 9314A0252) | ||||||||||||||||||||||||||||||||
| Temp.: | 50 °C | ||||||||||||||||||||||||||||||||
| Sample | LC multiresidue pesticide kit (cat.# 31971) | ||||||||||||||||||||||||||||||||
| Diluent: | Water:acetonitrile 9:1 | ||||||||||||||||||||||||||||||||
| Conc.: | 1 ng/mL see notes for more details | ||||||||||||||||||||||||||||||||
| Inj. Vol.: | 5 µL | ||||||||||||||||||||||||||||||||
| Mobile Phase | |||||||||||||||||||||||||||||||||
| A: | 0.2% Formic acid, 2 mM ammonium formate in water | ||||||||||||||||||||||||||||||||
| B: | 0.2% Formic acid, 2 mM ammonium formate in methanol | ||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||
| Detector | MS/MS | ||||||||||||||||||||||||||||||||
| Ion Mode: | ESI+/ESI- | ||||||||||||||||||||||||||||||||
| Mode: | Scheduled MRM | ||||||||||||||||||||||||||||||||
| Instrument | UHPLC | ||||||||||||||||||||||||||||||||
| Notes | Although the ten LC multiresidue pesticides kit mixes are formulated to ensure maximum long-term stability and reliability as packaged, stability may become an issue when a large number of compounds with different chemical functionalities are combined together into a single mix. This should be taken into consideration for quantitative analysis. Sample Preparation: Celery purchased from a local market was comminuted using a Robot Coup Blixer 3. After comminution, 15 g celery was fortified at 10 ng/g with all residues from the LC multiresidue pesticide kit (cat.# 31971), which had been previously combined into a single mixture that day. The fortified celery was then shaken for a couple minutes to ensure uniform dispersion of the fortified pesticides in the slurry. Extraction was performed by adding 15 mL of a 1% acetic acid solution in acetonitrile (v/v) and AOAC 2007.01 QuEChERS salts (cat.# 25852). After centrifugation, 1 mL supernatant was added to a 2 mL dSPE vial containing magnesium sulfate, PSA, and GCB (cat.# 26218) for cleanup. After centrifugation, 100 μL of the 10 ng/mL extract was diluted with 900 μL water and injected onto the UHPLC. |
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