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• 2 • 800-356-1688 • 2004 vol. 3
Figure 1
70 semivolatile organics, plus surrogates, separated in less than 18 minutes on a 0.18mm ID Rtx®-XLB column.
Rtx®-XLB, 20m, 0.18mm ID, 0.18µm (cat.# 42802)
Sample: US EPA Method 8270D mix:
8270 MegaMix™ (cat.# 31850),
benzoic acid (cat.# 31415),
benzidine (cat.# 31441),
2,4-dinitrophenol (cat.# 31291),
Acid Surrogate Mix (4/89 SOW)
(cat.# 31063),
B/N Surrogate Mix (4/89 SOW)
(cat.# 31062)
Inj.: 0.5µL, 5ppm each analyte
(2.5ng on column) (2.5ppm/1.25ng
on column for 3-methylphenol and
4-methylphenol)
2mm splitless cyclo double
gooseneck injector liner
(cat.# 20907);
splitless hold time 0.15 min.;
pressure pulse: 0.20 min. @30psi
GC: Agilent 6890
Inj. temp.: 270°C
Carrier gas: helium
Flow rate: 1.2mL/min., constant flow
Oven temp.: 40°C (hold 0.5 min.) to 90°C @
14°C/min. (no hold) to 330°C @
22°C/min. (hold 1 min.)
Det.: Agilent 5973 GC/MS
Transfer line
temp.: 280°C
Scan range: 35–550 amu
Solvent delay: 1 min.
Tune: DFTPP
Ionization: EI
1. pyridine
2. N-nitrosodimethylamine
3. 2-fluorophenol
4. phenol-d6
5. phenol
6. aniline
7. 2-chlorophenol
8. bis(2-chloroethyl)ether
9. 1,3-dichlorobenzene
10. 1,4-dichlorobenzene-d4
11. 1,4-dichlorobenzene
12. 1,2-dichlorobenzene
13. benzyl alcohol
14. 2-methylphenol
15. bis(2-chloroisopropyl)ether
16. hexachloroethane
17a.4-methylphenol
17b.3-methylphenol
18. N-nitroso-di- n-propylamine
19. nitrobenzene-d5
20. nitrobenzene
21. isophorone
22. 2,4-dimethylphenol
23. 2-nitrophenol
24. benzoic acid
25. bis(2-chloroethoxy)methane
26. 2,4-dichlorophenol
27. 1,2,4-trichlorobenzene
28. naphthalene-d8
29. naphthalene
30. hexachlorobutadiene
31. 4-chloroanaline
32. 4-chloro-3-methylphenol
33. 2-methylnaphthalene
34. hexachlorocyclopentadiene
35. 1-methylnaphthalene
36. 2,4,6-trichlorophenol
37. 2,4,5-trichlorophenol
38. 2-fluorobiphenyl
39. 2-chloronaphthalene
40. 2-nitroaniline
41. dimethylphthalate
42. acenaphthylene
43. 2,6-dinitrotoluene
44. acenaphthene-d10
45. 1,4-dinitrobenzene
46. acenaphthene
47. 1,3-dinitrobenzene
48. 3-nitroaniline
49. 1,2-dinitrobenzene
50. 4-nitrophenol
51. dibenzofuran
52. 2,3,4,6-tetrachlorophenol
53. 2,3,5,6-tetrachlorophenol
54. 2,4-dinitrophenol
55. diethyl phthalate
56. 2,4-dinitrotoluene
57. 4-chlorophenyl phenyl ether
58. fluorene
59. diphenylamine
60. 4-nitroaniline
61. azobenzene
62. 2,4,6-tribromophenol
63. 4,6-dinitro-2-methylphenol
64. 4-bromophenyl phenyl ether
65. hexachlorobenzene
66. pentachlorophenol
67. phenanthrene-d10
68. phenanthrene
69. anthracene
70. carbazole
71. di- n-butylphthalate
72. fluoranthene
73. benzidine
74. pyrene
75. p-terphenyl-d14
76. butyl benzyl phthalate
77. bis(2-ethylhexyl)adipate
78. bis(2-ethylhexyl)phthalate
79. benzo(a)anthracene
80. chrysene-d12
81. chrysene
82. di- n-octyl phthalate
83. benzo(b)fluoranthene
84. benzo(k)fluoranthene
85. benzo(a)pyrene
86. perylene-d12
87. indeno(1,2,3-cd)pyrene
88. dibenzo(a,h)anthracene
89. benzo(ghi)perylene
GC_EV00747