Column# 80486- 2m x 2.0mm 80/100 ShinCarbon ST 1 2 3 4 5 6 7 8 9 25 µV 200 400 600 800 1000 1200 TCD1 A, Front Signal (ShinCarbon\2017-06-06---9.D) Resolution (O2/N2)= 1.1 Time (min) CO Methane CO2 O2 N2 Column# 80486- 2m x 2.0mm 80/100 ShinCarbon ST (connected using 0.53mm ID FS) Analysis conditions: Instrument: Agilent 7890B (65I) Inlet@200°C, Splitless (split flow to vent at 0.1min 100ml/min), Liner:2mm ID straight liner (Restek#23313) Flow Helium, 20ml/min, constant flow (p=19.3Psi @40°C) Oven: 40°C (2min) 15°C/min to 200°C, Detector TCD@250°C Injection 200µl of Permanent gas standard (Carbon monoxide, carbon dioxide, nitrogen and oxygen (5% each), methane and hydrogen (4% each) in helium

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\2017-06-06---6.D) Time (min) O2 N2 Column# 80486- 2m x 2.0mm 80/100 ShinCarbon ST (connected using 0.53mm ID FS) TCD1 A, Front Signal (ShinCarbon\2017-06-06---7.D) Oven: 40°C Isothermal Resolution (O2/N2)= 1.0 Analysis conditions: Instrument: Agilent 7890B (65I) Inlet@200°C, Splitless (split flow to vent at 0.1min 100ml/min), Liner:2mm ID straight liner (Restek#23313) Flow Helium, 20ml/min, constant flow (p=19.3Psi @40°C) Injection 50µl Air