1. Column# 80486- 2m x 2.0mm 80/100 ShinCarbon ST1 2 3 4 5 6 7 8 9
25 µV
200
400
600
800
1000
1200
TCD1 A, Front Signal (ShinCarbon\ D)
Resolution (O2/N2)= 1.1
Time (min) CO
Methane
CO2 O2 N2
Column# m x 2.0mm 80/100 ShinCarbon ST
(connected using 0.53mm ID FS)
Analysis conditions: Instrument: Agilent 7890B (65I)
Splitless (split flow to vent at 0.1min 100ml/min), Liner:2mm ID straight liner (Restek#23313)
Flow Helium, 20ml/min, constant flow
Oven: 40°C (2min) 15°C/min to 200°C, Detector
Injection 200µl of Permanent gas standard
(Carbon monoxide, carbon dioxide, nitrogen and oxygen (5% each), methane and hydrogen (4% each) in helium

2. Column# 80486- 2m x 2.0mm 80/100 ShinCarbon ST
Oven: 35°C Isothermal
Resolution (O2/N2)= 0.95 1 2 3
25 µV
500
1000
1500
2000
2500
3000
TCD1 A, Front Signal (ShinCarbon\ D)
Time (min) O2 N2
Column# m x 2.0mm 80/100 ShinCarbon ST
(connected using 0.53mm ID FS)
TCD1 A, Front Signal (ShinCarbon\ D)
Oven: 40°C Isothermal
Resolution (O2/N2)= 1.0
Analysis conditions: Instrument: Agilent 7890B (65I)
Splitless (split flow to vent at 0.1min 100ml/min), Liner:2mm ID straight liner (Restek#23313)
Flow Helium, 20ml/min, constant flow
Injection 50µl Air