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The number of experiments during which an “instability” was detected and automatically recorded by the AutoH3 system. Experiments were conducted at flow rates in the range of 0.5 to 2.0 mL/min.
| Pressure setting | Total # experiments | Instability detected |
| Full H2 mode | 535 | 0 |
| Controlled mode 10 bar | 10 | 1 |
| Controlled mode 30 bar | 6 | 0 |
| Controlled mode 60 bar | 20 | 3 |
| Controlled mode 80 bar | 10 | 5 |
| Controlled mode 100 bar | 5 | 1 |
