Table 1
Physical properties of commercial silica nanoparticles.
| Parameter | Unit | Value |
|---|---|---|
| Particle size, nm | nm | 20–70 |
| Wettability | – | Hydrophilic |
| Color | – | White |
| Purify | % | >99.5 |
| Dispersed in | – | Water |
| Bulk density | g/cc | ≈0.10 |
| True density | g/cc | ≈2.40 |
| Specific Surface Area (SSA) | m2/g | 160–600 |