607
GCCHROMATOGRAMS |
ENVIRONMENTAL
Air
AirToxins
Rtx®-502.2
Permission to publish this chromatogram granted byTekmar Company.
Column:
Rtx
®
-502.2, 60m, 0.32mm ID, 1.8µm (cat.# 10920)
Sample:
500mL of 10ppbv standard concentrated on an AEROCAN 6000 using a glass
bead trap at 165°C then desorbed at 200°C for 4min.@ 1mL/min.,
cryofocused@ -175°C then desorbed@ 150°C
Oven temp.:
35°C (hold 6min.) to 120°C@ 15°C/min., then to 200°C
@ 5°C/min., then to 220°C@ 25°C/min. (hold 10min.)
Det. & det. temp.: Agilent-5971AGC/MS, 280°C
Carrier gas:
helium@ 1mL/min.
Linear velocity:
20cm/sec.
Scan range:
28-260amu
Solvent delay:
4min.
1. chlorodifluoromethane
2. dichlorodifluoromethane
3. dichlorotetrafluoroethane
4. chloromethane
5. butane
6. vinyl chloride
7. 1,3-butadiene
8. acetaldehyde
9. bromomethane
10. chloroethane
11. trichlorofluoromethane
12. isopropanol
13. acetone
14. 1,1-dichloroethene
15. acetonitrile
16. dichloromethane
17. acrylonitrile
18. 1-propanol
19.
trans
-1,2-dichloroethene
20. 1,1-dichloroethane
21. methyl ethyl ketone
22.
cis
-1,2-dichloroethene
23. methacrylonitrile
24. chloroform
25. bromochloromethane
26. tetrahydrofuran
27. 1,1,1-trichloroethane
28.
n
-butanol
29. heptane
30. 1,2-dichloroethane
31. benzene
32. 1,4-difluorobenzene
33. trichloroethene
34. ethyl methacrylate
35. 1,2-dichloropropane
36. 1,4-dioxane
37. bromodichloromethane
38. 4-methyl-2-pentanone
39. octane
40. toluene
41. 2-hexanone
42. 1,1,2-trichloroethane
43. tetrachloroethene
44. dibromochloromethane
45. 1,2-dibromoethane
46. chlorobenzene-d5
47. chlorobenzene
48.
m
-xylene
49.
p
-xylene
50. 2-heptanone
51. styrene
52.
o
-xylene
53. isopropylbenzene
54. bromoform
55. 1,1,1,2-tetrachloroethane
56. 4-bromofluoromethane
57.
n
-propylbenzene
58. 1,3,5-trimethylbenzene
59.
α
-methylstyrene
60.
tert
-butylbenzene
61. 1,2,4-trimethylbenzene
62.
sec
-butylbenzene
63. 1,3-dichlorobenzene
64. 1,4-dichlorobenzene
65. butylbenzene
66. 1,2-dichlorobenzene
67. dodecane
68. dibromochloropropane
69. 1,2,4-trichlorobenzene
70. hexachlorobutadiene
71. naphthalene
min.
5
10
15
20
25
30
1
2
3
4
5
7
6
8 9
10
11
13
12
14
15
18
19
20
21
16
17
22,23
24
25,26
27
28
29
31
30
32
33
35
34
38
39
40 41
42
43
44
36,37
45
46
47
48,49
50
71
70
69
68
67
66 65
63
64
62 60
59
58
57
56
55
54
53
51,52
61
GC_EV00022
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E-mail :
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Mar 2011
