Table 1 Physico-chemical properties of TiO2 (NMs 105, 101, 100) and CeO2 (NM212) nanomaterials in exposure media
Critallinity | Coating | Primary particle size (nm) | Primary density (g/cm3) | Primarysurface area, BET (m2/g) | Mean size in exposure media (nm) | Mean density in exposure media (g/cm3) | Mean surface area in exposure media (m2/g) | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Susp | Aero | Susp | Aero | Susp | Aero | ||||||
NM105 | 80% anatase / 20% rutile | No | 21 | 4.2 | 46.1 | 318 | 240 | 1.4 | 0.7 | 13.5 | 37.7 |
NM101 | Anatase | Hydrophobic | 8 | 3.9 | 316 | 567 | 80 | 1.6 | 0.9 | 6.7 | 83.3 |
NM100 | Anatase | No | 100 | 3.9 | 10 | 286 | 320 | 1.8 | 0.6 | 11.7 | 31.3 |
NM212 | Cubic cerionite | No | 29 | 7.2 | 27 | 233 | 200 | 2.1 | 1.1 | 12.5 | 27.3 |