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The semi-quantitative results of CO2-TPD measurements.
| Samples | CO2-TPD Peak Position (°C) | Total Peak Area (a.u.) a | ||
|---|---|---|---|---|
| I | II | III | ||
| SA/LDH-Mg2Al-80 | 160.6 | 455.6 | 649.3 | 86188.7 |
| SA/LDH-Mg2Al-105 | 131.3 | 430.6 | 612.0 | 68865.8 |
| SA/LDH-Mg2Al-150 | 142.9 | 417.6 | 605.7 | 43227.1 |
| SA/LDH-Mg5Al2-80 | 140.2 | 431.8 | 643.1 | 92283.9 |
| SA/LDH-Mg3Al-80 | 143.1 | 458.5 | 628.9 | 74727.8 |
| LDH-Mg2Al-80 | 121.5 | 376.7 | 616.5 | 69046.4 |
a Total peak area is linearly proportional to the amount of CO2 adsorbed.
