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This chromatogram may contain analytes that are synonyms of your search terms.
40 ppb Volatiles in Drinking Water on Rtx-VMS by EPA Method 524.4
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
C. Contamination from nitrogen gas line; * Toluene-d8
GC_EV1351
Rtx-VMS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 19915) 524.3 Internal standard/surrogate mix (cat.# 30017) 524.3 Gas calibration mix (cat.# 30014) 524.3 VOA MegaMix standard (cat.# 30013)
RO water 40 ng/mL (5 mL sample) purge and trap split (split ratio 30:1) Premium 1.0 mm ID straight inlet liner (cat.# 23333.1) 200 °C EST Encon Evolution Vocarb 3000 11 min, flow 40 mL/min 1 min, flow 50 mL/min 1 min @ 260 °C, flow 30.9 mL/min 8 min @ 265 °C injection port 150 °C 45 °C (hold 4.5 min) to 100 °C at 12 °C/min to 240 °C at 25 °C/min (hold 1.32 min) He, constant flow 0.9 mL/min MS Scan Group Start Time (min) Scan Range (amu) Scan Rate (scans/sec) 1 1.5 47–300 5.4 2 2.9 35–300 5.19
240 °C Quadrupole 230 °C 150 °C 70 eV 1.5 min BFB EI Agilent 7890A GC & 5975C MSD Nitrogen was used as the purge gas for the EST Encon Evolution.
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