59
Table XI.
Choosing aVolatilesGCColumn for PID/ELCD
1. dichlorodifluoromethane
2. chloromethane
3. vinyl chloride
4. bromomethane
5. chloroethane
6. trichlorofluoromethane
7. 1,1-dichloroethene
8. Freon
®
113
9. methylene chloride
10.
trans
-1,2-dichloroethene
11. methyl
tert
-butyl ether
12.
tert
-butyl alcohol
13. 1,1-dichloroethane
14.
cis
-1,2-dichloroethene
15. 2,2-dichloropropane
16. bromochloromethane
17. chloroform
18. carbon tetrachloride
19. 1,1,1-trichloroethane
20. 1,1-dichloropropene
21. benzene
22. 1,2-dichloroethane
23. fluorobenzene
24. trichloroethene
25. dibromomethane
26. 1,2-dichloropropane
27. bromodichloromethane
28. 2-chloroethyl vinyl ether
29.
cis
-1,3-dichloropropene
30. toluene
31. tetrachloroethene
32.
trans
-1,3-dichloropropene
33. 2-bromo-1-chloropropane
34. 1,1,2-trichloroethane
35. dibromochloromethane
36. 1,3-dichloropropane
37. 1,2-dibromoethane
38. chlorobenzene
39. ethyl benzene
40. 1,1,1,2-tetrachloroethane
41.
m
-xylene
42.
p
-xylene
43. 1-chloro-2-fluorobenzene
44.
o
-xylene
45. styrene
46. bromoform
47. isopropyl benzene
48. bromobenzene
49.
n
-propylbenzene
50. 1,4-dichlorobutane
51. 1,1,2,2-tetrachloroethane
52. 2-chlorotoluene
53. 1,3,5-trimethylbenzene
54. 1,2,3-trichloropropane
55. 4-chlorotoluene
56.
tert
-butylbenzene
57. 1,2,4-trimethylbenzene
58.
sec
-butylbenzene
59.
p
-isopropyl toluene
60. 1,3-dichlorobenzene
61. 1,4-dichlorobenzene
62.
n
-butylbenzene
63. 1,2-dichlorobenzene
64. 4-bromo-1-chlorobenzene
65. 1,2-bromo-3-chloropropane
66. hexachlorobutadiene
67. 1,2,4-trichlorobenzene
68. naphthalene
69. 1,2,3-trichlorobenzene
Conditions
for Rtx
®
-VGC, Rtx
®
-502.2, Rtx
®
-Volatiles, Rtx
®
-VRX andRtx
®
-1: optimum conditions on 75m, 0.45mm ID, 2.55µm columns. Formore details please
see chromatograms in the applications section of our current catalog or call technical service (1-800-356-1688, ext. 4) or your Restek representative.
Conditions
for all other columns:
Column:
60m, 0.53mm ID, 3.0µm
Column Flow:
10mL/min.
GCProgram:
35°C (hold 9min.) to 220°C@ 11min. (hold 10min.)
Analytes
identified using Thermo Finnigan PID/ELCD or HP5971amass selective detector with splitless injection.
1
2-chloroethyl vinyl ether can be resolved under different conditions. See the applications section of our current catalog.
Compounds
listed inUS EPAMethods 502.2, 8021, 8010, 8020, 601& 602, plus commonly added compounds.
m/p xylene
coelute on all phases except Rtx
®
-200 in 60m, 0.25mm ID, 1.0µm under optimized conditions. See the applications section of our current catalog.
Volatile Analytes:
Coelutions by Peak #’s
Suggested
Poor Choice for
Recomended
Restek
(Coelutions by PID/ELCD
Close Pairs
Confirmation
Confirmation
Thick Phase High Temp. for
Rtx
®
Phase are indicated in BOLD)
by PID/ELCD
Column
Column
Stable Temp. (°C)
VOAWork (°C)
Advantages
Rtx-VGC
28/29
1
, 53/54
7/8,32/33
Rtx-502.2, Rtx-VRX,
Rtx-VMS,
Rtx-1
Rtx-DX1
260
230
fast runtime
Rtx-502.2
14/15, 33/34, 39/40
4/5, 44/45, 56/57,
Rtx-VGC, Rtx-VRX,
Rtx-Volatiles,
52/55, 64/65
Rtx-1
Vocol, Rtx-35, Rtx-20
270
240
low bleed
Rtx-Volatiles
14/15
, 21/22,
38/40
,
56/57, 68/69
Rtx-VGC, Rtx-1,
Rtx-502.2, Vocol,
44/45
,
53/55
Rtx-624
Rtx-20, Rtx-35
270
240
low bleed
Rtx-624
7/8, 10/11, 52/53
,
32/33, 44/45,
Rtx-VGC,
31/34, 53/55, 59/60
51/54
Rtx-502.2
Rtx-1701
280
240
Rtx-VRX
11/13,
39/43
,
46/50
, 40/44
8/9,15/17, 24/27,
Rtx- VGC,
58/60
Rtx-502.2
Rtx-1
260
230
Rtx-1
9/12,
15/17
,
25/26
,
24/27
,
33/36
,
38/40
, 40/44, 45/50,
56/57
7/12, 49/55
Rtx-502
Rtx-VRX
320
260
Rtx-1701
9/10
,
18/19
,
16/20
, 50/53,
51/55
, 54/56
5/6,29/30,32/33
Rtx-502.2
Rtx-624
270
240
Rtx-200
2/3, 5/6, 11/12, 14/16, 22/24, 28/35
,
m/p xylene
32/33/37, 43/44, 50/55/56, 57/58
13/17,36/37
Rtx-VGC
320
240
separation
Rtx-35
4/5
,
16/19
,
18/20
, 21/22,
34/31
,
Rtx-VGC,
Rtx-502.2,
39/38/41/42
/
40,
46/51
/49, 53/54,
Rtx-624
Rtx-Volatiles,
48/52/55
, 61/62,
66/67
2/3
Rtx-20
270
240
Rtx-50
4/5/6, 8/7/12, 25/28, 32/33,
37/41/42,
38/40
,
45/47
,
46/54/52
,
2/3, 20/18, 31/32,
Rtx-VGC,
56/55/48, 57/58
39/41/42
Rtx-624
Rtx-35
280
240
Rtx-DX1
4/5
,
9/10
,
25/27
,
38/39
, 47/50,
27/28, 32/36/31,
(custom)
49/46/48, 52/54, 53/55
65/67
Rtx-502.2
Rtx-VGC
220
200
