Table 4. Remaining Mass of Samples Heated to Different Temperatures (Expressed in Percentage).
| adsorbent | 200 °C (%) | 500 °C (%) |
|---|---|---|
| 1 # | 94.6 | 41.5 |
| 2 # | 62.8 | 44.2 |
| 3 # | 62.1 | 42.4 |
| 4 # | 62.5 | 47.0 |
| 5 # | 56.9 | 42.5 |
| 6 # | 68.0 | 50.9 |
| 7 # | 67.4 | 51.3 |
| 8 # | 71.3 | 53.1 |
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