707
GCCHROMATOGRAMS |
SOLVENTS&CHEMICALS
Chlorofluorocarbons, Cresylic Acids
Freon®12&EthyleneOxide
Rtx®-1
2
1. Freon
®
12
2. ethylene oxide
Column:
Rtx
®
-1, 30m, 0.53mm ID, 5.0µm (cat.# 10179)
Sample:
50µL split injection of Freon
®
12 and ETO
Oven temp.:
25°C
Inj./det. temp.:
290°C
Carrier gas:
hydrogen
Linear velocity:
40cm/sec.
FID sensitivity:
4 x 10
-11
AFS
Split vent:
40:1
GC_CH00324
min.
2
1
2
Freon®12&EthyleneOxide
Rtx®-200
1
min. 4
1. Freon
®
12
2. ethylene oxide
Column:
Rtx
®
-200, 30m, 0.53mm ID, 3.0µm (cat.# 15085)
Sample:
50µL direct injection of Freon
®
12 and ETO
Oven temp.:
25°C
Inj./det. temp.:
290°C
Carrier gas:
hydrogen
Linear velocity:
40cm/sec. (flow rate: 5.2cc/min.)
GC_CH00325
CresylicAcids
Stabilwax®-DA
Column:
Stabilwax
®
-DA, 30m, 0.25mm ID, 0.50µm (cat.# 11038)
Sample:
Wet needle split injection of cresylic acids
Oven temp.:
180°C (hold 2min.) to 260°C@ 2°C/min.
Inj./det. temp.:
250°C
Carrier gas:
hydrogen
Linear velocity:
40cm/sec. (flow rate: 3.2cc/min.)
FID sensitivity:
64 x 10
-11
AFS
Split ratio:
40:1
1. 2,6-dimethylphenol
2.
o
-cresol
3. phenol
4. 2,4,6-trimethylphenol
5. 2,3,6-trimethylphenol
6.
o
-ethylphenol
7. 2,5-dimethylphenol
8.
p
-cresol
9. 2,4-dimethylphenol
10.
m
-cresol
11. C3 phenol
12. 2,3-xylenol
13. C3 phenol
14. C3 phenol
15. C3 phenol
16.
p
-ethylphenol
17. 3,5-xylenol
18.
m
-ethylphenol
19. 3,4-xylenol
min. 1
2
3
4
5
6
7
8
9
10
11
12
GC_CH00277
1
2
3,4
5
6
7,8
9
10
12
11
14
16,17 18
19
13
15
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E-mail :
TelNo : 03 9762 2034 . . . inAUSTRALIA
Mar 2011
