Table 2 Composition of the different test gases for the low-pressure experiments
From: Biological methane production under putative Enceladus-like conditions
H 2 (Vol.-%) | CO 2 (Vol.-%) | CO (Vol.-%) | CH 4 (Vol.-%) | N 2 (Vol.-%) | C 2 H 4 (Vol.-%) | |
|---|---|---|---|---|---|---|
H2/CO2 | 80.097 | 19.903 | — | — | — | — |
H2/CO | 80.290 | — | 19.710 | — | — | — |
H2 | 99.999 | — | — | — | — | — |
Mix 1 | 22.900 | 19.490 | 27.790 | 14.430 | 15.390 | — |
Mix 2 | 22.430 | 19.210 | 28.151 | 14.510 | 12.410 | 3.289 |
