From: Formation of H2 and CH4by weathering of olivine at temperatures between 30 and 70°C
Substance | Temp (°C) | Buffered solution (nmol) | Water solution (nmol) |
---|---|---|---|
CH4 initial | - | < 0.31 | < 0.31 |
CH4 final | 30 | 1.19 ± 0.018 | 0.89 ± 0.27 |
CH4 final | 50 | 1.66 ± 0.26 | 1.21 ± 0.33 |
CH4 final | 70 | 5.04 ± 1.18 | 3.36 ± 1.14 |
H2 initial | - | 0.019 ± 0.8E-3 | 0.019 ± 0.8E-3 |
H2 final | 30 | 5.93 ± 2.09 | 3.81 ± 0.35 |
H2 final | 50 | 4.71 ± 0.19 | 3.61 ± 0.79 |
H2 final | 70 | 5.08 ± 0.02 | 4.46 ± 1.41 |
CO final | 30,50,70 | detected | detected |
CO2 final | 30 | 201.60 ± 44.37 | 68.84 ±13.54 |
CO2 final | 50 | 484.91 ± 179.56 | 118.76 ± 46.03 |
CO2 final | 70 | 623.62 ± 122.56 | 319.25 ± 130.83 |