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Rtx-VRX 氣相色譜柱簡介：
(Crossbond技術鍵合固定相)
揮發性有機污染物分析柱。
對U.S.EPA方法中8021中成分進行分離，表現。
溫度穩定至 260 °C。
Rtx-VRX固定相和*管柱尺寸對分析揮發性化合物時保證低流失、良好的分離度和快速分析。
類似固定相：DB-VRX
訂貨信息：
| ID | df | 溫度限 | 30米 | 60米 | 75米 |
| 0.25 mm | 1.40 μm | -40 to 240/260 °C | 19315 | 19316 | |
| 0.32 mm | 1.80 μm | -40 to 240/260 °C | 19319 | 19320 | |
| 0.45 mm | 2.55 μm | -40 to 240/260 °C | 19308 | 19309 | |
| 0.53 mm | 3.00 μm | -40 to 240/260 °C | 19385 | 19388 | |
| ID | df | 溫度限 | 20米 | 40米 | |
| 0.18 mm | 1.00 μm | -40 to 240/260 °C | 49314 | 49315 |
| Peaks | |
|---|---|
| 1. | Dichlorodifluoromethane |
| 2. | Chloromethane |
| 3. | Vinyl chloride |
| 4. | Bromomethane |
| 5. | Chloroethane |
| 6. | Trichlorofluoromethane |
| 7. | 1,1-Dichloroethene |
| 8. | Methylene chloride |
| 9. | Freon® 113 |
| 10. | trans-1,2-Dichloroethene |
| 11. | Methyl tert-butyl ether |
| 12. | 1,1-Dichloroethane |
| 13. | cis-1,2-Dichloroethene |
| 14. | Bromochloromethane |
| 15. | Chloroform |
| 16. | 2,2-Dichloropropane |
| 17. | 1,2-Dichloroethane |
| 18. | 1,1,1-Trichloroethane |
| 19. | 1,1-Dichloropropene |
| 20. | Carbon tetrachloride |
| 21. | Benzene |
| 22. | Fluorobenzene (SS) |
| 23. | Dibromomethane |
| 24. | 1,2-Dichloropropane |
| 25. | Trichloroethene |
| 26. | Bromodichloromethane |
| 27. | 2-Chloroethyl vinyl ether |
| 28. | cis-1,3-Dichloropropene |
| 29. | trans-1,3-Dichloropropene |
| 30. | 1,1,2-Trichloroethane |
| 31. | Toluene |
| 32. | 1,3-Dichloropropane |
| 33. | Dibromochloromethane |
| Peaks | |
|---|---|
| 34. | 1,2-Dibromoethane |
| 35. | Tetrachloroethene |
| 36. | 1,1,1,2-Tetrachloroethane |
| 37. | Chlorobenzene |
| 38. | Ethylbenzene |
| 39. | m-Xylene |
| 40. | p-Xylene |
| 41. | Bromoform |
| 42. | Styrene |
| 43. | 1,4-Dichlorobutane (SS) |
| 44. | 1,1,2,2-Tetrachloroethane |
| 45. | o-Xylene |
| 46. | 1,2,3-Trichloropropane |
| 47. | Isopropylbenzene |
| 48. | Bromobenzene |
| 49. | n-Propylbenzene |
| 50. | 2-Chlorotoluene |
| 51. | 4-Chlorotoluene |
| 52. | 1,3,5-Trimethylbenzene |
| 53. | tert-Butylbenzene |
| 54. | 1,2,4-Trimethylbenzene |
| 55. | sec-Butylbenzene |
| 56. | 1,3-Dichlorobenzene |
| 57. | 1,4-Dichlorobenzene |
| 58. | p-Isopropyltoluene |
| 59. | 1,2-Dichlorobenzene |
| 60. | n-Butylbenzene |
| 61. | 1,2-Dibromo-3-Chloropropane |
| 62. | 4-Bromochlorobenzene (SS) |
| 63. | 1,2,4-Trichlorobenzene |
| 64. | Naphthalene |
| 65. | Hexachlorobutadiene |
| 66. | 1,2,3-Trichlorobenzene |
GC_EV00001
| Column | Rtx®-VRX, 75 m, 0.45 mm ID, 2.55 µm (cat.# 19309) |
| Sample | 502.2 CAL2000 MegaMix Mixture (cat.# 30431) |
| 502.2 Calibration Mix #1A (cat.# 30439) | |
| 4-bromochlorobenzene (cat.# 30230) | |
| 2-chloroethyl vinyl ether (cat.# 30265) | |
| 1,4-dichlorobutane (cat.# 30227) | |
| fluorobenzene (cat.# 30030) | |
| methyl tert-butyl ether (MTBE) (cat.# 30402) | |
| Freon® 113 (custom) | |
| Conc.: | 20 ppb in 5 mL of RO water |
| Injection | purge and trap splitless |
| Purge and Trap | |
| Instrument: | Tekmar LSC-3000 Purge and Trap |
| Trap Type: | Vocarb 3000 |
| Purge: | 11 min, flow 40 mL/min |
| Dry Purge: | 1 min, flow 40 mL/min |
| Desorb Preheat Temp.: | 245 °C |
| Desorb: | 2 min @ 250 °C |
| Bake: | 8 min @ 260 °C |
| Interface Connection: | direct |
| Transfer Line Tubing: | 0.32mm ID Siltek® Guard Column (cat.# 10027) |
| Oven | |
| Oven Temp.: | 35 °C (hold 12 min) to 60 °C at 5 °C/min (hold 1 min) to 220 °C at 17 °C/min (hold 3 min) |
| Carrier Gas | He, constant flow |
| Flow Rate: | 9 mL/min |
| Detector | μGold Tandem PID/HALL 2000 |
| Notes | Dry purge: 1 min. @ 40mL/min. (MCS bypassed with Silcosteel® tubing). PID: makeup 7mL/min., purge 7mL/min., set @ 0.35mV base temp. 200°C. ELCD Hall 2000: RxnGas 25mL/min.,RxnTemp.: 940°C, propanol flow 470μL/min. |
| Acknowledgement | Finnigan 9001 GC, μGold Tandem Photoionization/HALL® 2000 Electrolytic Conductivity Detector provided courtesy of Thermo Finnigan GC & GC/MS Division, 2215 Grand Avenue Pkwy, Austin, Texas 78728 |
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