N2O I
Column: HP-PLOT Q 19095P-QO4 30 m x 0.53 mm, 40.00 µm
Carrier: Helium, 5 psi (approximately 8 mL/min) Oven: 35°C isothermal Injection: Split ratio 1:3 Detector: TCD, 200°C Sample: 250 µL injected approximately 200 ppmV methane 200 ppmV CO2 250 ppmV N2O (nitrogen balance gas)
2.2 2.4 N2 CO2 CH4 N2O
2.6
2.8
3 Time (min)
3.2
3.4
3.6
3.8 GCEA006
N2O II
Column: HP-PLOTMolesieve 19095P-MS6 30 m x 0.53 mm, 25.00 µm
Carrier: Helium, 6 psi (approximately 10 mL/min) Oven: 50°C (5 min), 25°C/min to 200°C and hold Injection: Split ratio 1:4 Detector: TCD, 250°C Column compensation on
Sample: 250 µL injected approximately 200 ppmV methane 200 ppmV CO2 250 ppmV N2O (nitrogen balance gas)
24 6 Time (min) 8 10 GCEA007 O2 N2 N2O CH4 CO
N2O III
Column: GS-CarbonPLOT 113-3133 30 m x 0.32 mm, 3.00 µm
Carrier: Helium, 12 psi (approximately 3 mL/min) Oven: 35°C isothermal Injection: Split ratio 1:4 Detector: TCD, 200°C Sample: 250 µL injected approximately 200 ppmV methane 200 ppmV CO2 250 ppmV N2O (nitrogen balance gas)
1 N2 H2O
CH4
CO2
N2O
1.5
2
2.5
3 Time (min)
3.5
4
4.5 GCEA008
56
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