AIR
MONI TORING
Appl icat ions
27
Phone: 800-356-1688 or 814-353-1300
US EPA TO-14 Compounds
Rtx®-1
1. dichlorodifluoromethane
2. chloromethane
3. 1,2-dichlorotetrafluoroethane
4. vinyl chloride
5. bromomethane
6. chloroethane
7. trichlorofluoromethane
8. 1,1-dichloroethene
9. methylene chloride
10. 3-chloropropene
11. 1,1,2-trichloro-1,2,2-trifluoroethane
12. 1,1-dichloroethane
13.
cis
-1,2-dichloroethene
14. chloroform
15. 1,2-dichloroethane
16. 1,1,1-trichloroethane
17. benzene
18. carbon tetrachloride
19. 1,2-dichloropropane
20. trichloroethene
21.
cis
-1,3-dichloropropene
22.
trans
-1,3-dichloropropene
23. 1,1,2-trichloroethane
24. toluene
25. 1,2-dibromoethane
26. tetrachloroethene
27. chlorobenzene
28. ethylbenzene
29.
m
-xylene
30.
p
-xylene
31. styrene
32.
o
-xylene
33. 1,1,2,2-tetrachloroethane
34. 4-methyltoluene
35. 1,3,5-trimethylbenzene
36. 1,2,4-trimethylbenzene
37. 1,3-dichlorobenzene
38. 1,4-dichlorobenzene
39. 1,2-dichlorobenzene
40. 1,2,4-trichlorobenzene
41. hexachlorobutadiene
1
2
3
4
5
6
7
8
9
10
12
13
14
11
16
15
17
18
19
20
21
22
23
24
25
41
40
39
38
37
36
35
34
32,33
31
29,30
28
27
26
min.
10
15
20
25
30
35
Column:
Rtx
®
-1, 60m, 0.32mm ID, 3.0µm (cat.# 10187)
Sample:
5mL of 2ppmv TO-14 standard.
Oven temp.:
30°C (hold 4 min.) to 250°C @ 7°C/min. (hold 15 min.)
Detector:
MS
Det. temp.:
250°C
Carrier gas:
helium
Linear velocity:
21cm/sec. set @ 30°C
Ionization:
EI
Scan range:
34-280amu
Preconcentrator conditions:
Nutech 3550 A Preconcentrator
Cryotrap temp.:
-160°C
Cryotrap desorb temp.:
150°C
Cryofocusing unit temp.:
-190°C
Cryofocusing desorb temp.:
150°C
GC_EV00018
Ozone Precursors
Rtx®-1
min.
5
10
15
20
25
30
35
3
2 1
5
4
6
7
8
9
10
11
12
13
14
16
15
17
18 19 20 21 22
24 23
25 26 27 28
29
30
31,32
33
34
35
36,37
38
1. ethylene
2. acetylene
3. ethane
4. propylene
5. propane
6. isobutane
7. 1-butene
8.
n
-butane
9.
trans
-2-butene
10.
cis
-2-butene
11. isopentane
12. 2-methyl-1-butene
13.
n
-pentane
14.
trans
-2-pentene
15.
cis
-2-pentene
16. cyclopentane
17. isohexane
18. 3-methylpentane
19.
n
-hexane
20. methylcyclopentane
21. benzene
22. isoheptane
23. 2,3-dimethylpentane
24. 3-methylhexane
25. 2,2,4-trimethylpentane
26.
n
-heptane
27. methylcyclohexane
28. 2,2,3-trimethylpentane
29. toluene
30. ethylbenzene
31.
m
-xylene
32.
p
-xylene
33.
o
-xylene
34.
n
-nonane
35.
n
-propylbenzene
36.
p
-ethyltoluene
37. 1,3,5-trimethylbenzene
38. 1,2,4-trimethylbenzene
Column:
Rtx
®
-1, 60m, 0.32mm ID, 3.0µm (cat.# 10187)
Sample:
0.5L of C2-C9 gas standard cryogenically concentrated;
15nL/component desorbed onto column.
Oven temp.:
-60°C (hold 5 min.) to 100°C @ 8°C/min., to
150°C @ 6°C/min., then to 240°C @ 8°C/min.
Carrier gas:
helium
Linear velocity: 30cm/sec. (flow rate: 1.8cc/min.)
FID sensitivity: 64 x 10
-12
AFS
GC_EV00019
Permission to publish this chromatogram granted by Radian Corporation.
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