Table 2 Physicochemical characteristics of NMs used
Name | Primary particle size (nm)1 | Specific surface area (m2/g) | SMPS peak particle diameter (nm)2 | Solubility in PSF (mg/L) | Z average size (nm)1 | PDI1 |
|---|---|---|---|---|---|---|
ZnO | 5.7 ± 3.8 | 15.2 | 88.6 |  >  > 1003 | 151.1, at 0.04 mg/mL | 0.31 |
CuO | 7.8 ± 6.8 | 124.1 | 37.8 | 101.9 ± 10.44 | 146.4, at 0.24 mg/mL | 0.24 |
Al2O3 | 5.5 ± 5.5 | 275.9 | 81.9 | 0.311 ± 0.009 | 95.1, at 1.08 mg/mL | 0.50 |
SnO2 | 4.5 ± 2.3 | 165.4 | 28.6 |  < LOD5 | 105.1, at 3.24 mg/mL | 0.50 |
TiO2 | 6.6 ± 4.1 | 297.1 | 57.9 |  < LOD3 | 225, at 0.36 mg/mL | 0.44 |
Printex 90 | 146 | 295–3386 | – | ND7 | 80 at 3.24 mg/mL | 0.16 |