Pure Chromatography
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GCxGC-TOFMS Analysis of Multi-Pesticide Standard Using Rxi-5Sil MS and Rtx-200
| Peaks | |
|---|---|
| 1. | Methamidophos |
| 2. | Dichlorvos |
| 3. | 1,2,3,5-Tetrachlorobenzene |
| 4. | Mevinphos |
| 5. | Acephate |
| 6. | Pentachlorobenzene |
| 7. | o-Phenylphenol |
| 8. | Tetrachloronitrobenzene (Tecnazene) |
| 9. | Omethoate |
| 10. | 2,3,5,6-Tetrachloroaniline |
| 11. | Alpha-BHC |
| 12. | Hexachlorobenzene |
| 13. | Pentachloroanisole |
| 14. | Dimethoate |
| 15. | Beta-BHC |
| 16. | Pentachloronitrobenzene |
| 17. | Pentachlorobenzonitrile |
| 18. | Gamma-BHC |
| 19. | Chlorothalonil |
| 20. | Anthracene |
| 21. | Diazinon |
| 22. | delta-BHC |
| 23. | Pentachloroaniline |
| 24. | Vinclozolin |
| 25. | Carbaryl |
| 26. | Metalaxyl |
| 27. | Pentachlorothioanisole |
| 28. | Pirimiphos methyl |
| 29. | Methiocarb |
| 30. | Dichlofluanid |
| 31. | Malathion |
| 32. | Chlorpyrifos |
| 33. | Fenthion |
| 34. | DCPA methyl ester (Chlorthal-dimethyl) |
| 35. | Parathion |
| 36. | Cyprodinil |
| Peaks | |
|---|---|
| 37. | Heptachlor epoxide |
| 38. | Thiabendazole |
| 39. | Captan |
| 40. | Folpet |
| 41. | Procymidone |
| 42. | Endosulfan I |
| 43. | Imazalil |
| 44. | 4,4'-DDE |
| 45. | Dieldrin |
| 46. | Myclobutanil |
| 47. | Endrin |
| 48. | Endosulfan II |
| 49. | Oxadixyl |
| 50. | 4,4'-DDD |
| 51. | 2,4'-DDT |
| 52. | Carfentrazone ethyl |
| 53. | Endosulfan sulfate |
| 54. | Fenhexamid |
| 55. | 4,4'-DDT |
| 56. | Propargite |
| 57. | Piperonyl butoxide |
| 58. | Iprodione |
| 59. | Bifenthrin |
| 60. | Dicofol |
| 61. | Fenpropathrin |
| 62. | Phosalone |
| 63. | Azinphos-methyl |
| 64. | cis-Permethrin |
| 65. | Coumaphos |
| 66. | trans-permethrin |
| 67. | Cypermethrin |
| 68. | Pyraclostrobin |
| 69. | Fluvalinate |
| 70. | Difenoconazole |
| 71. | Deltamethrin |
| 72. | Azoxystrobin |
GC_FF1241
| Column | Rxi-5Sil MS 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623) |
| Rtx-200 1.3 m, 0.25 mm ID, 0.25 µm (cat.# 15124) | |
| Sample | Custom pesticide standard |
| Diluent: | Acetonitrile |
| Conc.: | 500 pg/µL |
| Injection | |
| Inj. Vol.: | 1.0 µL splitless (hold 1.0 min) |
| Liner: | Premium 4 mm single taper w/wool (cat.# 23303.5) |
| Inj. Temp.: | 250 °C |
| Oven | |
| Oven Temp.: | Rxi-5Sil MS: 90 °C (hold 1.0 min) to 310 °C at 5 °C/min (hold 2.0 min) Rtx-200: 95 °C (hold 1.0 min) to 315 °C at 5 °C/min (hold 2.0 min) |
| Carrier Gas | He, corrected constant flow (2 mL/min) |
| Modulation | |
| Modulator Temp. Offset: | +20 °C |
| Second Dimension Separation Time: | 3 sec |
| Hot Pulse Time: | 0.9 sec |
| Cool Time between Stages: | 0.6 sec |
| Detector | MS |
| Mode: | |
| Transfer Line Temp.: | 300 °C |
| Analyzer Type: | TOF |
| Source Temp.: | 225 °C |
| Electron Energy: | 70 eV |
| Mass Defect: | -20 mu/100 u |
| Ionization Mode: | EI |
| Acquisition Range: | 45 to 550 amu |
| Spectral Acquisition Rate: | 100 spectra/sec |
| Instrument | LECO Pegasus 4D GCxGC-TOFMS |
| Notes | Rtx-200 (cat.# 15124) is a 2 m column. A 1.3 m section was cut off and used as the second dimension column. |
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Restek Corporation, U.S., 110 Benner Circle, Bellefonte, PA 16823
Copyright © 2021 Restek Corporation. All rights reserved.
A Company of Owners
Cookies allow for a variety of features that make your visit to Restek more enjoyable. By using this website, you agree to the use of cookies in accordance with our guidelines. For more information, see our privacy policy.