Table 1. The average hydrodynamic diameter and zeta potential of nanomaterials dispersed in deionized water.
No. | Sample | Size, nm ± SD | Zeta-potential, mV ± SD |
1 | Graphene oxide (GO) | 1629.0 ± 201.6 | –38.8 ± 3.4 |
2 | Kaolin (KNPs) | 2203.0 ± 22.3 | –22.0 ± 0.7 |
3 | GO + KNPs | 1097.0 ± 81.9 | –45.6 ± 0.8 |