Table 2. Integrated hydrogen areas from the IINS spectra in order of increasing average primary particle size DN.
| Catalyst and dominating morphology a | DN/nm | IINS area/arb. units normalized to 1 g Pd |
|||
| 700 mbar | Degas to 9–14.5 mbar | Degas to 0.1–5 mbar | Extended degas | ||
| 3, Pd/CB agg | 2.40 | 78.87 | 55.14 | 6.84 | |
| 2, Pd/AC prim | 3.58 | 59.87 | 32.97 | 29.66 | 12.28 |
| 4, 300° prim/agg | 6.73 | 99.00 | 74.66 | 18.68 | |
| 5, 400° prim | 7.74 | 77.97 | 23.15 | 9.06 | |
| 1, Pd/Au/SiO2 prim | 7.94 | 180 | |||
aMorphological differences according to TEM: agg = mostly aggregates, prim = mostly isolated primary particles.