Figure 2
TheRtx
®
-200 column provides unique separation of theVOCs listed inUSEPAMethod 8260.
60m, 0.25mm ID, 1.0µmRtx-200 (cat.# 15056)
Compounds in at 10 ppb in 5mLof ROwater.
Ketones, alcohols in at 2x (unless otherwise noted).
Concentrator
:
Tekmar LSC-3100 Purge andTrap
Trap:
Vocarb 3000 (typeK)
Purge:
11min.@ 40mL/min.@ ambient temperature
DryPurge
:
1min.@ 40mL/min.
DesorbPreheat
:
245°C
Desorb:
250°C for 2min., flow 10mL/min.
Bake
:
260°C for 8min.
Interface:
transfer line 0.53mm IDSilcosteelMXT tubing
OvenProgram:
40°C (hold 10min.) to 100°C@ 6°C/min.
(hold 1min.) to 210°C@ 30°C/min. (hold 7min.)
CarrierGas:
helium@ ~1.3mL/min. constant flow
Adjust dichlorodifluoromethane to a retention time of 4.1min.@ 40°C.
Detecto
r:
Agilent 5973MS, scan range 35 to 300AMU
1. dichlorodifluoromethane
2. chloromethane
3. vinyl chloride
4. bromomethane
5. chloroethane
6. trichlorofluoromethane
7. carbon disulfide
8. ethanol (2500ppb)
9. 1,1-dichloroethene
10. methylene chloride
11. allyl chloride
12. trans-1,2-dichloroethene
13.
tert
-butyl alcohol (100ppb)
14. methyl
tert
-butyl ether
15. allyl alcohol (250ppb)
16. diisopropyl ether
17. propargyl alcohol (500ppb)
18. 1,1-dichloroethane
19. ethyl-
tert
-buyl ether
20. chloroform
21. dibromofluoromethane
22.
cis
-1,2-dichloroethene
23. bromochloromethane
24. carbon tetrachloride
25. acetone
26. 2,2-dichloropropane
27. 1,1,1-trichloroethane
28. vinyl acetate
29. 1,1-dichloropropene
30. isobutyl alcohol (500ppb)
31. acrylonitrile
32. benzene
33.
tert
-amyl-methyl ether
34. tetrahydrofuran
35. 1,2-dichloroethane
36. trichloroethene
37. bromodichloromethane
38. methyl acrylate
39. dibromomethane
40. ethyl acetate
41. 2-butanone
42. 1,4-difluorobenzene
43. pentafluorobenzene
44. 1,2-dichloropropane
45. isopropyl acetate
46.
cis
-1,3-dichloropropene
47. dibromochloromethane
48. methyl methacrylate
49. toluene
50. toluene-d8
51. tetrachloroethene
52. 1,1,2-trichloroethane
53.
n
-propyl acetate
54.
trans
-1,3-dichloropropene
55. 1,2-dibromoethane
56. pyridine (250ppb)
57. 1,3-dichloropropane
58. ethyl methacrylate
59. bromoform
60. 1,1,1,2-tetrachloroethane
61. ethylbenzene
62. 4-methyl-2-penanone
63. chlorobenzene
64. chlorobenzene-D5
65.
m
-xylene
66. 2-picoline (250ppb)
67.
p
-xylene
68.
n
-butyl acetate
69.
o
-xylene
70. stryrene
71. 2-hexanone
72. isopropylbenzene
73. 1,1,2,2-tetrachloroethane
74.
n
-propylbenzene
75. bromobenzene
76. 4-bromo-1-fluorobenzene
77. 1,3,5-trimethylbenzene
78. pentachloroethane
79. 2-chlorotoluene
80. 1,2,3-trichloropropane
81. 4-chlorotoluene
82.
tert
-butylbenzene
83. 1,2,4-trimethylbenzene
84.
sec
-butylbenzene
85.
p
-isopropyltoluene
86. 1,3-dichlorobenzene
87. 1,2-dichlorobenzene-d4
88. 1,4-dichlorobenzene
89.
n
-butylbenzene
90. 1,2-dichlorobenzene
91. 1,2-dibromo-3-chloropropan
92. hexachlorobutadiene
93. 1,2,3-trichlorobenzene
94. naphthalene
95. 1,2,4-trichlorobenzene
96. nitrobenzene (250ppb)
1
2,3
4
5,6
7,8
9
1011,12
13
14
15,16
17
20
21-23
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
73
74
75
76
77
78
79
80
81
82
83 84
85
86
87,88
89
90
91
92
93
94
95
96
min. 4
6
8
10
12
14
16
18
20
22
24
26
28
30
Innovations atWork
Separatem/p-xylene isomers
as required byNewYork state!
18,19
