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| Metal center (M) | BET Surface area [m2 g−1] | Pore volume [cm3 g−1] | SO2 adsorption [mmol g−1] | Packing density [g cm−3] | Q st [kJ mol−1] | Stability |
|---|---|---|---|---|---|---|
| Al | 1370 | 0.375 | 7.1 | 1.213 | 31.25a37e | Stable over 4 years of exposure |
| In | 1071 | 0.419 | 8.28 | 1.266 | 34.5 | Stable in dry and humid conditions |
| Ga | 1045 | 0.62 | — | — | — | — |
| Sc | 1360 | 0.56 | 9.4 | 1.075 | 36.2 | Stable in dry and humid conditions/over 10 cycles |
Adsorption near the zero-coverage calculated by GCMC.
