TABLE OF CONTENTS - BGB Analytik AG

GC and GC/MS
Petroleum Applications
Petroleum Applications
Fast Analysis of Aromatic Solvent
This application showcases the practicality using high efficiency GC columns in daily aromatic solvent analysis. The result: a three-fold reduction in run time (compared to a
0.32 mm I.D. column) with no compromise in resolution.
Column: HP-INNOWax
19091N-216
60 m x 0.32 mm, 0.50 µm
Carrier: Helium at 20 psi constant pressure mode
Oven: 75°C (10 min); 3°C/min to 100°C (0 min)
10°C/min to 145°C (0 min)
Injection: Split/splitless at 250°C
100:1 split ratio
Detector: FID at 250°C
Sample: 1.0 µL
Column: HP-INNOWax
19091N-577
20 m x 0.18 mm, 0.18 µm
Carrier: Helium at 33 psi constant pressure mode
Oven: 70°C (3 min); 45°C/min to 145°C (1 min)
Injection: Split/splitless at 250°C
100:1 to 600:1 split ratio
Detector: FID at 250°C
Sample: 0.2 to 1.0 µL
Unified aromatic solvent method
pA
225
200
175
150
125
100
75
50
25
0
0
464 www.agilent.com/chem/supplies
pA
200
150
100
50
0
2.5
0.5
1
2
3 4
1. Heptane
2. Cyclohexane
3. Octane
4. Nonane
5. Benzene
6. Decane
7. Toluene
8. 1,4-Dioxan
9. Undecane
1
2
3 4
5 6
5 6
7
7
9 10 1112 1314 15 16
24
23
25
19 21 22
18
17 20
8
5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5
8
Time (min)
10. Ethylbenzene
11. p-Xylene
12. m-Xylene
13. Cumene
14. Dodecane
15. o-Xylene
16. Propylbenzene
17. p-Ethyltoluene
18. m-Ethyltoluene
Optimized unified aromatic solvent method
9 10 11 12
Time (min)
19. t-Butylbenzene
20. s-Butylbenzene
21. Styrene
22. Tridecane
23. 1,3-Diethylbenzene
24. 1,2-Diethylbenzene
25. n-Butylbenzene
26. a-Methylstyrene
27. Phenylacetylene
13 14 19 21
16
18 20
15 17
26
24
23
25
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
22
26
27
27
GCHE003