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Table 4.
Zeta potential of aqueous solution containing nanoparticles.
| Aqueous solution | Zeta potential (mV) |
|---|---|
| GO | -27.3 |
| PVP-GO-1 | -36.1 |
| PVP-GO-2 | -37.9 |
| PVP-GO-3 | -41.0 |