Table 3. Lifetimes of the shortest-lived species out of He, H2O, O2, O2(a 1Δ), H2, and H2O2 for different humidity contents in the plasma.
| H2O content (ppm) | O2(a 1Δ) lifetime (ms) | H2O2 lifetime (ms) |
| 100 | 2.78 | 4.38 |
| 1000 | 2.74 | 2.74 |
| 10 000 | 4.55 | 1.35 |
| H2O content (ppm) | O2(a 1Δ) lifetime (ms) | H2O2 lifetime (ms) |
| 100 | 2.78 | 4.38 |
| 1000 | 2.74 | 2.74 |
| 10 000 | 4.55 | 1.35 |