Table 2.
Mix composition (wt%), apparent density, and mass of the studied samples. MK = metakaolin; SS = sodium silicate solution; DMS = oligomeric dimethylsiloxane mixture; Si = silicon powder.
| Sample | MK | SS | NaOH | DMS | Si | Apparent Density (g cm−3) | Sample’s Mass * (g) |
|---|---|---|---|---|---|---|---|
| GSil03 | 37.4 | 45.0 | 7.6 | 10.0 | 0.03 | 0.701 ± 0.002 | 2.60990 ± 0.00001 (A) 8.33520 ± 0.00001 (B) |
| GSil12 | 37.4 | 45.0 | 7.6 | 10.0 | 0.12 | 0.396 ± 0.003 | 2.93095 ± 0.00001 (A) 9.02261 ± 0.00001 (B) |
* Mass of the samples used for the adsorption tests after washing treatment and drying.