Summary of results obtained from DLS analysis of research-grade nTiO2 (Sigma Aldrich, 19.9 ± 6.6 nm (TEM)) suspensions in NSW.
| Time (h) | 1 mg L−1 | 100 mg L−1 | ||
|---|---|---|---|---|
| Z-Average size (d.nm) | Polydispersity index (PDI) | Z-Average size (d.nm) | Polydispersity index (PDI) | |
| 0 | 1580 ± 124 | 0.804 ± 0.170 | 1624 ± 113 | 0.580 ± 0.156 |
| 1 | 5626 ± 586 | 1.000 | 6560 ± 464 | 1.000 |
| 2 | 2262 ± 129 | 0.890 ± 0.191 | 4994 ± 198 | 1.000 |
| 4 | 1393 ± 284 | 0.907 ± 0.081 | 1569 ± 129 | 0.737 ± 0.108 |
| 24 | 2367 ± 665 | 1.000 | 5636 ± 670 | 0.980 ± 0.035 |
| 48 | 2253 ± 519 | 1.000 | 4133 ± 956 | 0.957 ± 0.055 |
| 72 | 2741 ± 670 | 1.000 | 1966 ± 936 | 0.978 ± 0.025 |
| 168 | Undetectable | 1994 ± 141 | 1.000 | |
| 240 | Undetectable | 1564 ± 168 | 0.953 ± 0.060 | |
| 336 | Undetectable | 3133 ± 215 | 1.000 | |