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ZP and DLS results of OLSSW with uncertainty in the presence of monovalent ions with various NPs concentrations at pH 8.
| Concentration (ppm) | Average ZP (mv) | Std | Average particle size (nm) | Std | Uncertainty value (nm) |
|---|---|---|---|---|---|
| 500 ppm SiO2 | −24.4 | 1.55 | 316 | 3.27 | 316 ± 6.40 |
| 750 ppm SiO2 | −19.7 | 1.39 | 198 | 3.27 | 198 ± 6.40 |
| 1000 ppm SiO2 | −30.8 | 1.71 | 207 | 3.74 | 207 ± 7.33 |
