GC Chromatograms
GC Chromatograms
GC Chromatograms
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<strong>GC</strong> CHROMATOGRAMS | PETROLEUM & PETROCHEMICAL<br />
Permanent Gases<br />
Permanent Gases on Rt®-Msieve 5A<br />
(PLOT)<br />
Permanent Gases on Rt®-MSieve 5A<br />
(PLOT)<br />
Argon<br />
resolved<br />
from<br />
oxygen.<br />
Peaks<br />
Conc.<br />
(μg/mL)<br />
1. Hydrogen 40<br />
2. Argon 30<br />
3. Oxygen 50<br />
4. Nitrogen 50<br />
5. Methane 40<br />
6. Carbon monoxide 50<br />
Excellent<br />
peak shape<br />
for carbon<br />
monoxide.<br />
Peaks<br />
Conc.<br />
1. Hydrogen 29.1 ppm<br />
2. Argon 53.4 ppm<br />
3. Oxygen 31.3 ppm<br />
<strong>GC</strong>_PC00170<br />
<strong>GC</strong>_PC00898<br />
Column Rt®-Msieve 5A, 30 m, 0.53 mm ID, 50 μm (cat.# 19723)<br />
Sample<br />
Permanent gases<br />
Injection<br />
Sample valve<br />
Sample Loop Vol.: 5 μL<br />
Valve Name: 6-port Valco® valve<br />
Inj. Temp.: 200 °C<br />
Valve Temp.: Ambient<br />
Oven<br />
Oven Temp: 27 °C (hold 5 min) to 100 °C at 10 °C/min (hold 5 min)<br />
Carrier Gas He, constant flow<br />
Flow Rate: 5.0 mL/min<br />
Detector Valco® helium ionization detector @ 150 °C<br />
Column<br />
Rt®-Msieve 5A, 30 m, 0.53 mm ID, 50 μm<br />
(cat.# 19723)<br />
Injection<br />
Sample valve<br />
Sample Loop Vol.: 500 μL<br />
Oven<br />
Oven Temp: 27 °C<br />
Carrier Gas He, constant flow<br />
Linear Velocity: 34 cm/sec<br />
Detector<br />
Valco® HID<br />
Acknowledgement<br />
Chromatogram courtesy of Larry<br />
McElmurry, Mobile Analytical Labs.<br />
Helium/Hydrogen Separation using Rt®-Msieve 5A<br />
(PLOT)<br />
Peaks<br />
1. Helium<br />
2. Hydrogen<br />
Column Rt®-Msieve 5A, 30 m, 0.53 mm ID, 50 μm (cat.# 19723)<br />
Sample<br />
Helium/hydrogen gas mixture<br />
Injection<br />
Inj. Vol.: 25 μL split (split ratio 10:1)<br />
Liner: 2 mm split Precision® liner w/wool (cat.# 20823)<br />
Inj. Temp.: 200 °C<br />
Split Vent<br />
Flow Rate: 40 mL/min<br />
Oven<br />
Oven Temp: 30 °C<br />
Carrier Gas N2, constant pressure (7.0 psi, 48.3 kPa)<br />
Linear Velocity: 38 cm/sec @ 30 °C<br />
Detector TCD @ 200 °C<br />
Make-up Gas<br />
Type:<br />
N2<br />
Data Rate: 20 Hz<br />
Sensitivity Mode: N2/Ar<br />
Instrument HP5890 <strong>GC</strong><br />
<strong>GC</strong>_MS01136<br />
678 www.restek.com 1-800-356-1688 or 1-814-353-1300
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