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5 ppb Volatiles in Drinking Water on Rtx-VMS by EPA Method 524.3
| Peaks | |
|---|---|
| 1. | Dichlorodifluoromethane |
| 2. | Chlorodifluoromethane |
| 3. | Chloromethane |
| 4. | Vinyl chloride |
| 5. | 1,3-Butadiene |
| 6. | Bromomethane |
| 7. | Trichlorofluoromethane |
| 8. | Diethyl ether |
| 9. | 1,1-Dichloroethene |
| 10. | Carbon disulfide |
| 11. | Methyl iodide |
| 12. | Allyl chloride |
| 13. | Methylene chloride |
| 14. | trans-1,2-Dichloroethene |
| 15. | Methyl acetate |
| 16. | MTBE-D3 (SS) |
| 17. | MTBE |
| 18. | tert-Butyl alcohol (TBA) |
| 19. | Diisopropyl ether (DIPE) |
| 20. | 1,1-Dichloroethane |
| 21. | tert-Butyl ethyl ether (ETBE) |
| 22. | cis-1,2-Dichloroethene |
| 23. | Bromochloromethane |
| 24. | Chloroform |
| 25. | Carbon tetrachloride |
| 26. | Tetrahydrofuran |
| 27. | 1,1,1-Trichloroethane |
| 28. | 1,1-Dichloropropene |
| 29. | 1-Chlorobutane |
| 30. | Benzene |
| 31. | tert-Amyl methyl ether (TAME) |
| 32. | 1,2-Dichloroethane |
| 33. | Trichloroethene |
| 34. | 1,4-Difluorobenzene |
| 35. | tert-Amyl ethyl ether (TAEE) |
| 36. | Dibromomethane |
| 37. | 1,2-Dichloropropane |
| 38. | Bromodichloromethane |
| 39. | cis-1,3-Dichloropropene |
| 40. | Toluene |
| 41. | Tetrachloroethene |
| Peaks | |
|---|---|
| 42. | trans-1,3-Dichloropropene |
| 43. | 1,1,2-Trichloroethane |
| 44. | Ethyl methacrylate |
| 45. | Dibromochloromethane |
| 46. | 1,3-Dichloropropane |
| 47. | 1,2-Dibromoethane |
| 48. | Chlorobenzene-D5 |
| 49. | Chlorobenzene |
| 50. | Ethylbenzene |
| 51. | 1,1,1,2-Tetrachloroethane |
| 52. | m-Xylene |
| 53. | p-Xylene |
| 54. | o-Xylene |
| 55. | Styrene |
| 56. | Bromoform |
| 57. | Isopropylbenzene |
| 58. | 4-Bromofluorobenzene (SS) |
| 59. | Bromobenzene |
| 60. | n-Propylbenzene |
| 61. | 1,1,2,2-Tetrachloroethane |
| 62. | 2-Chlorotoluene |
| 63. | 1,3,5-Trimethylbenzene |
| 64. | 1,2,3-Trichloropropane |
| 65. | 4-Chlorotoluene |
| 66. | tert-Butylbenzene |
| 67. | Pentachloroethane |
| 68. | 1,2,4-Trimethylbenzene |
| 69. | sec-Butylbenzene |
| 70. | 4-Isopropyltoluene |
| 71. | 1,3-Dichlorobenzene |
| 72. | 1,4-Dichlorobenzene-D4 |
| 73. | 1,4-Dichlorobenzene |
| 74. | n-Butylbenzene |
| 75. | Hexachloroethane |
| 76. | 1,2-Dichlorobenzene-D4 (SS) |
| 77. | 1,2-Dichlorobenzene |
| 78. | 1,2-Dibromo-3-chloropropane |
| 79. | Hexachlorobutadiene |
| 80. | 1,2,4-Trichlorobenzene |
| 81. | Naphthalene |
| 82. | 1,2,3-Trichlorobenzene |
GC_EV1297
| Column | Rtx-VMS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 19915) | ||||||||||||
| Sample | 524.3 internal standard/surrogate mix (cat.# 30017) | ||||||||||||
| 524.3 gas calibration mix (cat.# 30014) | |||||||||||||
| 524.3 VOA MegaMix standard (cat.# 30013) | |||||||||||||
| Diluent: | RO water | ||||||||||||
| Conc.: | 5 ng/mL (5 mL sample) | ||||||||||||
| Injection | purge and trap split (split ratio 30:1) | ||||||||||||
| Liner: | Premium 1.0mm ID straight inlet liner (cat.# 23333.1) | ||||||||||||
| Inj. Temp.: | 200 °C | ||||||||||||
| Purge and Trap | |||||||||||||
| Instrument: | EST Encon Evolution | ||||||||||||
| Trap Type: | Vocarb 3000 | ||||||||||||
| Purge: | 11 min, flow 40 mL/min | ||||||||||||
| Dry Purge: | 1 min, flow 50 mL/min | ||||||||||||
| Desorb: | 1 min @ 260 °C, flow 30.9 mL/min | ||||||||||||
| Bake: | 8 min @ 265 °C | ||||||||||||
| Interface Connection: | injection port | ||||||||||||
| Transfer Line Temp.: | 150 °C | ||||||||||||
| Oven | |||||||||||||
| Oven Temp.: | 45 °C (hold 4.5 min) to 100 °C at 12 °C/min to 240 °C at 25 °C/min (hold 1.32 min) | ||||||||||||
| Carrier Gas | He, constant flow | ||||||||||||
| Flow Rate: | 0.9 mL/min | ||||||||||||
| Detector | MS | ||||||||||||
| Mode: | Scan | ||||||||||||
| Scan Program: |
| ||||||||||||
| Transfer Line Temp.: | 240 °C | ||||||||||||
| Analyzer Type: | Quadrupole | ||||||||||||
| Source Temp.: | 230 °C | ||||||||||||
| Quad Temp.: | 150 °C | ||||||||||||
| Electron Energy: | 70 eV | ||||||||||||
| Solvent Delay Time: | 1.5 min | ||||||||||||
| Tune Type: | BFB | ||||||||||||
| Ionization Mode: | EI | ||||||||||||
| Instrument | Agilent 7890A GC & 5975C MSD | ||||||||||||
| Acknowledgement | EST Analytical provided the Centurion robotic autosampler and Encon Evolution P&T concentrator. |
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