| Particle |
Zeta potential in 10 mM of buffer solution (mV) |
| Sodium acetate |
Sodium phosphate |
Sodium phosphate |
Sodium phosphate |
Sodium phosphate |
Sodium borate |
| pH (-) |
| 3.8 |
5 |
6 |
7 |
8 |
9 |
| Anionic PP |
‒33.4 |
‒18.2 |
‒19.4 |
‒19.3 |
‒19.4 |
‒34.9 |
| Cationic PP |
31.5 |
6.3 |
6.4 |
5.7 |
4 |
‒24.4 |
| Zwitterionic PP |
47.5 |
5.5 |
‒2.7 |
‒11.6 |
‒24.8 |
‒37.7 |
|
