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Questo cromatogramma potrebbe contenere analiti che sono sinonimi dei vostri parametri di ricerca.
Volatile Organics by EPA Method 8021A/502.2 on Rtx-502.2
| Peaks | |
|---|---|
| 1. | Dichlorodifluoromethane |
| 2. | Chloromethane |
| 3. | Vinyl chloride |
| 4. | Bromomethane |
| 5. | Chloroethane |
| 6. | Trichlorofluoromethane |
| 7. | 1,1-Dichloroethene |
| 8. | Allyl chloride |
| 9. | Methylene chloride |
| 10. | trans-1,2-Dichloroethene |
| 11. | Methyl tert-butyl ether |
| 12. | 1,1-Dichloroethane |
| 13. | cis-1,2-Dichloroethene |
| 14. | 2,2-Dichloropropane |
| 15. | Bromochloromethane |
| 16. | Chloroform |
| 17. | Carbon tetrachloride |
| 18. | 1,1,1-Trichloroethane |
| 19. | 1,1-Dichloropropene |
| 20. | Benzene |
| 21. | 1,2-Dichloroethane |
| 22. | Fluorobenzene (SS) |
| 23. | Trichloroethene |
| 24. | Dibromomethane |
| 25. | 1,2-Dichloropropane |
| 26. | Bromodichloromethane |
| 27. | 1-Bromo-2-chloroethane (SS) |
| 28. | cis-1,3-Dichloropropene |
| 29. | Toluene |
| 30. | Tetrachloroethene |
| 31. | trans-1,3-Dichloropropene |
| 32. | 1,1,2-Trichloroethane |
| 33. | Dibromochloromethane |
| Peaks | |
|---|---|
| 34. | 1,3-Dichloropropane |
| 35. | 1,2-Dibromoethane |
| 36. | Chlorobenzene |
| 37. | Ethylbenzene |
| 38. | 1,1,1,2-Tetrachloroethane |
| 39. | m-Xylene |
| 40. | p-Xylene |
| 41. | 1-Chloro-2-fluorobenzene (SS) |
| 42. | o-Xylene |
| 43. | Styrene |
| 44. | Bromoform |
| 45. | Isopropylbenzene |
| 46. | Bromobenzene |
| 47. | n-Propylbenzene |
| 48. | 1,1,2,2-Tetrachloroethane |
| 49. | 2-Chlorotoluene |
| 50. | 1,2,3-Trichloropropane |
| 51. | 1,3,5-Trimethylbenzene |
| 52. | 4-Chlorotoluene |
| 53. | tert-Butylbenzene |
| 54. | 1,2,4-Trimethylbenzene |
| 55. | sec-Butylbenzene |
| 56. | p-Isopropyltoluene |
| 57. | 1,3-Dichlorobenzene |
| 58. | 1,4-Dichlorobenzene |
| 59. | n-Butylbenzene |
| 60. | 1,2-Dichlorobenzene |
| 61. | 1,2-Dibromo-3-Chloropropane |
| 62. | 2-Bromo-1-chlorobenzene (SS) |
| 63. | Hexachlorobutadiene |
| 64. | 1,2,4-Trichlorobenzene |
| 65. | Naphthalene |
| 66. | 1,2,3-Trichlorobenzene |
GC_EV00419
| Column | Rtx-502.2, 75 m, 0.45 mm ID, 2.55 µm (cat.# 10986) |
| with Universal “Y” Press-Tight Connector (cat.# 20405) | |
| Sample | |
| Diluent: | RO water |
| Conc.: | 10 ppb in 5 mL |
| Injection | purge and trap splitless |
| Purge and Trap | |
| Instrument: | Tekmar LSC3100 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.: | 50 °C (hold 2 min) to 70 °C at 2 °C/min to 130 °C at 9 °C/min to 200 °C at 40 °C/min (hold 5 min) |
| Carrier Gas | He |
| Detector | µGold Tandem PID/Hall |
| Reaction Gas Flow: | 7 mL/min |
| Ionization Potential: | 0.35 mV |
| Base Temp.: | 200 °C |
| Instrument | Finnigan 9001 |
| Notes | Carrier Gas: constant pressure @ ~ 10 mL/min. Adjust dichlorodifluoromethane to a retention time of 2.28 min. @ 50°C on the Rtx-VGC column. PID: makeup 7mL/min. Hall2000: RxnGas 25mL/min., RxnTemp 940°C, Propanol Flow 470 μL/min. Primary Column: Rtx-VGC, 75m, 0.45mm ID, 2.55μm (cat.# 19409) |
| 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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