Table 4 Representative analyses of quenched reduced C-O-H-N fluids (rel.%) obtained in runs at 6.3 GPa and 1100–1400 °C.
From: Carbon and Nitrogen Speciation in N-poor C-O-H-N Fluids at 6.3 GPa and 1100–1400 °C
Run# | 1761_2_3** | 1751_2_3 | 1780_2_2 | 1727_2_2 | 889_7_1 | |
|---|---|---|---|---|---|---|
Capsule | Pt | Au | Pt | Pt | Pt | |
Temperature (°C) | 1100 | 1200 | 1300 | 1400 | 1400 | |
Duration (hr) | 0.017 | 7 | 7 | 7 | 7 | |
Starting composition: Docosane* | ||||||
Water | 10.4 | 9.5 | 4.2 | 11 | 0.7 | |
Alkanes | CH4 | 10.0 | 49.7 | 26.9 | 22.3 | 51.0 |
C2H6 | 73.8 | 31.1 | 36.5 | 33.9 | 38.5 | |
C3H8 | 5.2 | 8.1 | 23.9 | 4.9 | 8.7 | |
C4H10 | 0.2 | 1.1 | 5.7 | 3.5 | 0.6 | |
C5H12 | 0.01 | 0.05 | 0.2 | 1.5 | 0.001 | |
C6-C15 | ≤0.002 | — | — | ≤0.6 | ≤0.01 | |
C15-C19 *** | ≤0.004 | — | ≤0.4 | ≤0.2 | ≤0.01 | |
Olefins | ≤0.001 | — | — | — | ||
Arenes | ≤0.001 | — | — | ≤0.6 | — | |
Alcohols and ethers | ≤0.006 | ≤0.05 | ≤0.1 | ≤0.06 | ≤0.2 | |
Aldehydes | — | — | — | ≤0.3 | ≤0.001 | |
Ketones | — | — | — | ≤0.6 | ≤0.002 | |
Carboxylic acid | ≤0.002 | — | — | ≤0.2 | — | |
Furans | ≤0.001 | — | — | — | — | |
Nitrogen species | ||||||
N2 | 0.01 | 0.02 | 0.1 | 0.3 | 0.02 | |
CH3N | >1 | >1 | >1 | 0.7 | 0.05 | |