| Exp | [AgNO3] (mol/L) | Impregnation temperature (˚C) | Impregnation times (h) | Y1 (mg/g) |
| 1 | 0.100 | 240 | 2.5 | 344.83 |
| 2 | 0.050 | 240 | 2.5 | 357.14 |
| 3 | 0.087 | 292 | 2.5 | 294.12 |
| 4 | 0.063 | 188 | 2.5 | 344.83 |
| 5 | 0.087 | 188 | 2.5 | 333.33 |
| 6 | 0.063 | 292 | 2.5 | 285.71 |
| 7 | 0.087 | 257 | 3.7 | 277.80 |
| 8 | 0.063 | 223 | 1.3 | 384.62 |
| 9 | 0.087 | 223 | 1.3 | 333.30 |
| 10 | 0.075 | 275 | 1.3 | 370.40 |
| 11 | 0.063 | 257 | 3.7 | 270.00 |
| 12 | 0.075 | 205 | 3.7 | 333.00 |
| 13 | 0.075 | 240 | 2.5 | 294.11 |
| 14 | 0.075 | 240 | 2.5 | 294.12 |
| 15 | 0.075 | 240 | 2.5 | 297.00 |
| 16 | 0.075 | 240 | 2.5 | 303.03 |
| 17 | 0.075 | 240 | 2.5 | 299.00 |