Table 2. BET analysis results of ZnONPs and ZnO@henna nanocomposite.
| Catalyst | SSA (m2 g−1) | Pore size (nm) | Pore volume (cm3 g−1) |
|---|---|---|---|
| ZnONPs | 109.11 | 4.72 | 0.17433 |
| ZnO@henna | 106.41 | 5.50 | 0.19761 |
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