43
GCCOLUMNS |
HIGH-PERFORMANCERXI COLUMNS
Rxi®-5Sil MS
Semivolatileorganics forUSEPAMethod8270onanRxi®-5SilMScolumn.
Column:
Rxi
®
-5Sil MS, 30m, 0.25mm ID,
0.25µm (cat.# 13623)
Sample:
US EPAMethod 8270DMix, 1µL of
10µg/mL (IS 40µg/mL)
8270MegaMix
®
(cat.# 31850)
Benzoic Acid (cat.# 31879)
8270 BenzidinesMix (cat.# 31852)
AcidSurrogateMix (4/89SOW) (cat.#31025)
Revised B/N SurrogateMix (cat.# 31887)
1,4-Dioxane (cat.# 31853)
SV Internal StandardMix (cat.# 31206)
Inj.:
1.0µL (10ng on-column concentration),
4mmDrilledUniliner
®
(hole near bottom)
inlet liner (cat.# 20756),
pulsed splitless: pulse 25psi@ 0.2min.,
60mL/min.@ 0.15min.
Inj. temp.:
250°C
Carrier gas: helium, constant flow
Flow rate:
1.2mL/min.
Oven temp.: 40°C (hold 1.0min.) to 280°C@ 25°C/min.
to 320°C@ 5°C/min. (hold 1min.)
Det.:
MS
Transfer line
temp:
280°C
Scan range: 35-550amu
Ionization:
EI
Mode:
scan
1. 1,4-dioxane
2.
n
-nitrosodimethylamine
3. pyridine
c. toluene
4. 2-fluorophenol (SS)
5. phenol-d6 (SS)
6. phenol
7. aniline
8. bis(2-chloroethyl) ether
9. 2-chlorophenol
10. 1,3-dichlorobenzene
11. 1,4-dichlorobenzene-d4 (IS)
12. 1,4-dichlorobenzene
13. benzyl alcohol
14. 1,2-dichlorobenzene
15. 2-methylphenol
16. bis(2-chloroisopropyl) ether
17. 4-methylphenol/3-methylphenol
18.
n
-nitroso-di-
n
-propylamine
19. hexachloroethane
20. nitrobenzene-d5 (SS)
21. nitrobenzene
22. isophorone
23. 2-nitrophenol
24. 2,4-dimethylphenol
25. benzoic acid
26. bis(2-chloroethoxy)methane
27. 2,4-dichlorophenol
28. 1,2,4-trichlorobenzene
29. naphthalene-d8 (IS)
30. naphthalene
31. 4-chloroaniline
32. hexachlorobutadiene
33. 4-chloro-3-methylphenol
34. 2-methylnaphthalene
35. 1-methylnaphthalene
36. hexachlorocyclopentadiene
37. 2,4,6-trichlorophenol
38. 2,4,5-trichlorophenol
39. 2-fluorobiphenyl (SS)
40. 2-chloronaphthalene
41. 2-nitroaniline
42. 1,4-dinitrobenzene
43. dimethyl phthalate
44. 1,3-dinitrobenzene
45. 2,6-dinitrotoluene
46. 1,2-dinitrobenzene
47. acenaphthylene
48. 3-nitroaniline
49. acenaphthene-d10 (IS)
50. acenaphthene
51. 2,4-dinitrophenol
52. 4-nitrophenol
53. 2,4-dinitrotoluene
54. dibenzofuran
55. 2,3,5,6-tetrachlorophenol
56. 2,3,4,6-tetrachlorophenol
57. diethyl phthalate
58. 4-chlorophenyl phenyl ether
59. fluorene
60. 4-nitroanaline
61. 4,6-dinitro-2-methylphenol
62.
n
-nitrosodiphenylamine
(diphenylamine)
63. 1,2-diphenylhydrazine (as
azobenzene)
64. 2,4,6-tribromophenol (SS)
65. 4-bromophenyl phenyl ether
66. hexachlorobenzene
67. pentachlorophenol
68. phenanthrene-d10 (IS)
69. phenanthrene
70. anthracene
71. carbazole
72. di-
n
-butyl phthalate
73. fluoranthene
74. benzidine
75. pyrene-d10 (SS)
76. pyrene
77.
p
-terphenyl-d14 (SS)
78. 3,3'-dimethylbenzidine
79. butyl benzyl phthalate
80. bis(2-ethylhexyl) adipate
81. 3,3'-dichlorobenzidine
82. benzo(a)anthracene
83. bis(2-ethylhexyl) phthalate
84. chrysene-d12 (IS)
85. chrysene
86. di-
n
-octyl phthalate
87. benzo(b)fluoranthene
88. benzo(k)fluoranthene
89. benzo(a)pyrene
90. perylene-d12 (IS)
91. indeno(1,2,3-cd)pyrene
92. dibenzo(a,h)anthracene
93. benzo(ghi)perylene
c= contaminant
GC_EV00943
EIC
88,74,79m/z
EIC
252m/z
Excellent
resolution
ofPAHs
Excellent
peak shape
ofpyridine
Excellent
response for
2,4-dinitrophenol
RF=0.245
EIC184m/z
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Mar 2011
