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| Catalyst | NiO particle size (nm) | d-spacing (Å) | Lattice parameter (Å) | |||
|---|---|---|---|---|---|---|
| Before | After | Before | After | Before | After | |
| 5NF | 40.8 | 13.2 | 3.25 | 3.25 | 6.51 | 6.51 |
| 10NF | 178 | 17.6 | 3.14 | 1.97 | 6.28 | 3.95 |
| 15NF | 8934 | 13.1 | 4.62 | 2.42 | 9.25 | 4.85 |
