642-664_GCapppetro.qxp
11/22/2010
9:20 PM
Page 661
GC CHROMATOGRAMS | PETROLEUM & PETROCHEMICAL
Hydrocarbons (Simulated Distillation)
Simulated Distillation
Rtx®-1 (Hydrogen Carrier Gas)
1.
2.
3.
4.
5.
6.
7.
8.
9.
ethanol
isopentane
n-pentane
2-methylpentane
n-hexane
2,4-dimethylpentane
n-heptane
toluene
n-octane
10.
11.
12.
13.
14.
15.
16.
17.
18.
p-xylene
n-propylbenzene
n-decane
butylbenzene
n-dodecane
n-tridecane
n-tetradecane
n-pentadecane
n-hexadecane
GC_PC00852
Column:
Sample:
Inj.:
Inj. temp.:
Carrier gas:
Linear velocity:
Oven temp.:
Det.:
Rtx®-1, 30m, 0.53mm ID, 5.0µm (cat.# 10179)
custom paraffin mix, neat, 2.7-12.9% each component
0.1µL splitless (hold 1 min.), 4mm single gooseneck inlet liner (cat.# 20904)
250°C
hydrogen, constant flow (Parker ChromGas® hydrogen generator)
184cm/sec. @ 40°C
40°C (1 min.) to 265°C @ 25°C/min. (hold 4 min.)
FID @ 280°C
Simulated Distillation (ASTM D-2887)
Rtx®-1 SimDist 2887
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
(packed)
12 3
4
5
6
7
8
9
10
11
12
13
14
min.
0
10
15
pentane
hexane
heptane
octane
nonane
decane
undecane
dodecane
tetradecane
hexadecane
octadecane
eicosane
tetracosane
octacosane
dotricontane
hexatriacontane
tetracontane
tetratetracontane
16
20
17
18
30
GC_PC00228
Column:
Inj.:
Oven temp.:
Inj./det. temp.:
Carrier gas:
FID sensitivity:
Rtx®-1 SimDist 2887, SilcoSmooth® stainless steel, 25", 1/8", 2mm ID
(cat.# 80000)
1.0µL direct injection, 1–12% (w/w) each component
35°C to 350°C @ 10°C/min. (hold 5 min.)
350°C
helium @ 25mL/min.
256 x 10-11 AFS
cat.# 31674 (1% each listed analyte in CS2) and cat.# 31675 (5% each, neat)
meet requirements of ASTM D2887-01.
www.restek.com
Website : www.chromtech.net.au E-mail : [email protected] TelNo : 03 9762 2034 . . . in AUSTRALIA
661
Mar 2011