Table 7 pH measurements for selected concentrations (test with dispersions performed in Erlenmeyer flasks)
TiO2 concentration [mg/L] | |||||
|---|---|---|---|---|---|
0 (Control | 7 | 22 | 66 | 100 | |
Smaller particles | |||||
Day 0 (test start) | 7.7 | 7.6 | 7.6 | 7.5 | 7.5 |
Day 3 (test end) | 8.0 | 8.1 | 8.0 | 8.0 | 8.0 |
Larger particles | |||||
Day 0 (test start) | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 |
Day 3 (test end) | 8.0 | 8.3 | 8.2 | 8.0 | 8.1 |