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Volatiles by EPA Method 8260 on Rxi-624Sil MS (30m, 0.25mm ID, 1.40µm)
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Volatiles by EPA Method 8260 on Rxi-624Sil MS (30m, 0.25mm ID, 1.40µm)
Peaks tR (min)
1. Dichlorodifluoromethane (CFC-12) 2.198
2. Chloromethane 2.459
3. Vinyl chloride 2.659
4. Bromomethane 3.226
5. Chloroethane 3.434
6. Trichlorofluoromethane (CFC-11) 3.876
7. Diethyl ether (ethyl ether) 4.44
8. 1,1-Dichloroethene 4.909
9. 1,1,2-Trichlorotrifluoroethane (CFC-113) 4.998
10. Acetone 5.029
11. Iodomethane 5.195
12. Carbon disulfide 5.323
13. Acetonitrile 5.637
14. Allyl chloride 5.715
15. Methyl acetate 5.723
16. Methylene chloride 5.981
17. tert- Butyl alcohol6.234
18. Acrylonitrile 6.451
19. Methyl tert- butyl ether (MTBE) 6.509
20. trans- 1,2-Dichloroethene6.512
21. 1,1-Dichloroethane 7.315
22. Vinyl acetate 7.359
23. Diisopropyl ether (DIPE) 7.407
24. Chloroprene 7.429
25. Ethyl tert- butyl ether (ETBE) 7.97
26. 2-Butanone (MEK) 8.193
27. cis- 1,2-Dichloroethene8.193
28. 2,2-Dichloropropane 8.193
29. Ethyl acetate 8.265
30. Propionitrile 8.276
31. Methyl acrylate 8.318
32. Methacrylonitrile 8.476
33. Bromochloromethane 8.507
34. Tetrahydrofuran 8.521
35. Chloroform 8.651
36. 1,1,1-Trichloroethane 8.843
37. Dibromofluoromethane 8.848
38. Carbon tetrachloride 9.026
39. 1,1-Dichloropropene 9.037
40. 1,2-Dichloroethane-d4 9.246
41. Benzene 9.262
42. 1,2-Dichloroethane 9.334
43. Isopropyl acetate 9.34
44. Isobutyl alcohol 9.421
45. tert- Amyl methyl ether (TAME)9.421
46. Fluorobenzene 9.598
47. Trichloroethene 9.976
48. 1,2-Dichloropropane 10.243
49. Methyl methacrylate 10.29
50. 1,4-Dioxane (ND) 10.299*
51. Dibromomethane 10.326
52. Propyl acetate 10.346
Peaks tR (min)
53. 2-Chloroethanol (ND) 10.368*
54. Bromodichloromethane 10.496
55. 2-Nitropropane 10.698
56. cis- 1,3-Dichloropropene10.904
57. 4-Methyl-2-pentanone (MIBK) 11.026
58. Toluene-D8 11.148
59. Toluene 11.21
60. trans- 1,3-Dichloropropene11.407
61. Ethyl methacrylate 11.435
62. 1,1,2-Trichloroethane 11.585
63. Tetrachloroethene 11.662
64. 1,3-Dichloropropane 11.729
65. 2-Hexanone 11.749
66. Butyl acetate 11.837
67. Dibromochloromethane 11.921
68. 1,2-Dibromoethane (EDB) 12.035
69. Chlorobenzene-d5 12.412
70. Chlorobenzene 12.44
71. Ethylbenzene 12.507
72. 1,1,1,2-Tetrachloroethane 12.507
73. m- Xylene12.612
74. p- Xylene12.612
75. o- Xylene12.935
76. Styrene 12.949
77. n- Amyl acetate13.018
78. Bromoform 13.118
79. Isopropylbenzene (cumene) 13.226
80. cis- 1,4-Dichloro-2-butene13.268
81. 4-Bromofluorobenzene 13.385
82. 1,1,2,2-Tetrachloroethane 13.456
83. trans- 1,4-Dichloro-2-butene13.496
84. Bromobenzene 13.515
85. 1,2,3-Trichloropropane 13.526
86. n- Propylbenzene13.565
87. 2-Chlorotoluene 13.657
88. 1,3,5-Trimethylbenzene 13.699
89. 4-Chlorotoluene 13.751
90. tert- Butylbenzene13.965
91. Pentachloroethane 14.007
92. 1,2,4-Trimethylbenzene 14.01
93. sec- Butylbenzene14.14
94. 4-Isopropyltoluene (p- cymene) 14.254
95. 1,3-Dichlorobenzene 14.263
96. 1,4-Dichlorobenzene-D4 14.321
97. 1,4-Dichlorobenzene 14.34
98. n- Butylbenzene14.579
99. 1,2-Dichlorobenzene 14.635
100. 1,2-Dibromo-3-chloropropane (DBCP) 15.252
101. Nitrobenzene 15.407
102. 1,2,4-Trichlorobenzene 15.935
103. Hexachloro-1,3-butadiene 16.04
104. Naphthalene 16.196
105. 1,2,3-Trichlorobenzene 16.396
* ND = not detected; retention time determined by wet needle injection
GC_EV1169
Rxi-624Sil MS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 13868) 8260A surrogate mix (cat.# 30240) 8260A internal standard mix (cat.# 30241) 8260B MegaMix calibration mix (cat.# 30633) VOA calibration mix #1 (ketones) (cat.# 30006) 8260B acetate mix (revised) (cat.# 30489) California oxygenates mix (cat.# 30465) 502.2 calibration mix #1 (gases) (cat.# 30042)
25 ppb in RO water purge and trap split (split ratio 30:1) 225 °C OI Analytical 4660 10 Trap 11 min @ 20 °C 180 °C 0.5 min @ 190 °C 5 min @ 210 °C injection port 35 °C (hold 5 min) to 60 °C at 11 °C/min to 220 °C at 20 °C/min (hold 2 min) He, constant flow 1.0 mL/min MS Scan 230 °C Quadrupole 230 °C 150 °C 70 eV 1.5 min BFB EI 36-260 amu Agilent 7890A GC & 5975C MSD Other Purge-and-Trap Conditions: Sample Inlet: 40°C Sample: 40°C Water Management: Purge 110°C, Desorb 0°C, Bake, 240°C Eclipse 4660 purge-and-trap courtesy of O.I. Analytical, College Station, TX.
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