Restek Corporation 110 Benner Circle Bellefonte, PA 16823
814-353-1300 • 800-356-1688 • Fax: 814-353-1309 •
EPAMethod 524.2, Revision 4
Rtx
®
-VMS
1. dichlorodifluoromethane
2. chloromethane
3. vinyl chloride
4. bromomethane
5. chloroethane
6. trichlorofluoromethane
7. diethyl ether
8. 1,1-dichloroethene
9. carbon disulfide (40ppb)
10. iodomethane (40ppb)
11. allyl chloride
12. methylene chloride
13. acetone
14.
trans
-1,2-dichloroethene
15. methyl
tert
-butyl ether
16. 1,1-dichloroethane
17. acrylonitrile
18.
cis
-1,2-dichloroethene
19. 2,2-dichloropropane
20. bromochloromethane
21. chloroform
22. methyl acrylate
23. carbon tetrachloride
24. tetrahydrofuran (40ppb)
25. 1,1,1-trichloroethane
26. 2-butanone
27. 1,1-dichloropropene
28. 1-chlorobutane
29. benzene
30. propionitrile
31. 1,2-dichloroethane
32. fluorobenzene
33. trichloroethene
34. dibromomethane
35. 1,2-dichloropropane
36. bromodichloromethane
37. methyl methacrylate
38.
cis
-1,3-dichloropropene
39. toluene
40. chloroacetonitrile
41. 2-nitropropane*
42. 1,1-dichloropropanone*
43. 4-methyl-2-pentanone
44. tetrachloroethene
45.
trans
-1,3-dichloropropene
46. ethyl methacrylate
47. 1,1,2-trichloroethane
48. dibromochloromethane
49. 1,3-dichloropropane
50. 1,2-dibromoethane
51. 2-hexanone
52. ethylbenzene
53. chlorobenzene
54. 1,1,1,2-tetrachloroethane
55.
m
-xylene
56.
p
-xylene
57.
o
-xylene
58. styrene
59. bromoform
60. isopropylbenzene
61. 4-bromofluorobenzene
62.
n
-propylbenzene
63. bromobenzene
64. 1,1,2,2-tetrachloroethane
65. 1,3,5-trimethylbenzene
66. 2-chlorotoluene
67. 1,2,3-trichloropropane
68.
trans
-1,4-dichloro-2-butene
69. 4-chlorotoluene
70.
tert
-butylbenzene
71. 1,2,4-trimethylbenzene
72. pentachloroethane
73.
sec
-butylbenzene
74.
p
-isopropyltoluene
75. 1,3-dichlorobenzene
76. 1,4-dichlorobenzene
77.
n
-butylbenzene
78. hexachloroethane
79. 1,2-dichlorobenzene-d4
80. 1,2-dichlorobenzene
81. 1,2-dibromo-3-chloropropane
82. nitrobenzene
83. hexachlorobutadiene
84. 1,2,4-trichlorobenzene
85. naphthalene
86. 1,2,3-trichlorobenzene
2
3
4
5
6
7
8
9
10
11
30m, 0.25mm ID, 1.4µmRtx
®
-VMS (cat.# 19915)
Carrier gas:
helium@~1.3mL/min. constant flow
Adjust dichlorodifluoromethane to a retention time of 2.29min.@45°
Concentrator:
Tekmar LSC-3000 Purge andTrap
Oven temp.:
45°C (hold 2min.) to 85°C@14°C/min. to
210°C@40°C/min. (hold 4min.)
GC:
HP 6890 Series II
Trap:
Vocarb 3000
Purge:
11min.@40mL/min.
Dry purge:
1min.@40mL/min. (MCS bypassed)
Desorb preheat: 245°C
Desorb:
250°C for 2min.
Bake:
260°C for 8min.
Interface:
1:10 split in port
Transfer line:
5m, 0.32mm IDSiltek
™
tubing (cat.# 10027)
Detector:
HP 5973MSD
Scan range:
35-300amu
Standards:
20ppb in 5mL of ROwater (unless otherwise noted); ketones at 40ppb.
502.2CalMix #1 (cat.# 30042)
502.2Cal2000MegaMix
™
(cat.# 30431)
524CalMix 7A& 7B (cat.# 30202)
524CalMix #8 (cat.# 30203)
524 IS/SSMix (cat.# 30201)
1
2
3
4
5
6
7 8
9
10
11
12,
13
14
15
16,17
18 19
20,21
22
23,24
25,26
27,28
29,30
31
32
33
34
35,36
37
38
39,40
*
41,
42
43
44,45 46
47
48
49
50
51
52,53,54
55,56
57,58
59
60
61
62
63,64 65
66,67,68
69
70
71,72
74
73
75
76
77
78,79,80
81
82,83
84
85
86
GC_EV00430
Innovations atWork
Excellent Gas Resolution!
*These peaks (41 and 42) share a quantitation ion (43)
