234 / 582
min
2.5
5
7.5
10
12.5
15
17.5
20
1
3
2
4
5
6
7
8 9
10
11
12
13
14
15
16
17
18 19
20 21
1.methane
2.ethane
3.ethylene
4.propane
5.propylene
6. isobutane
7.n-butane
8.propadiene
9.acetylene
10. trans-2-butene
11.1-butene
12. isobutylene
13. cis-2-butene
14. isopentane
15.n-pentane
16.1,3-butadiene
17. trans-2-pentene
18.2-methyl-2-butene
19.1-pentene
20. cis-2-pentene
21.hexanes
Column:
MXT-Alumina BOND /Na2SO4
30m,0.53mm ID,10.0µm df
Sample:
RefineryGas Standard
Inj.:
10.0µL split, split vent flow rate– 80ml/min,2mm split inlet liner
Inj. temp.:
200°C
Carrier gas:
He, constantpressure (10psi, 68.9 kPa)
Linear velocity:
31 cm/sec.@ 45°C
Oven temp.:
45°C (1) to200°C @ 10°C/min. (8.50min.)
Det.:
FID @ 200°C
Refinery gas sample
Acetylene and Propadiene
No sign of degradation /
reactivity with SS surface
propadiene
acetylene
butane
Iso-
butane
MXT Q-BOND