Table 1.
The particle size distribution and stability of emulsions with different emulsifier combinations.
| Number of the Sample | Emulsion Composition | Size of Emulsion Particles (μm) | Demulsification Rate (%) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Type of Surfactant | Surfactant Concentration (%) |
Quality of SiO2 Nanoparticles (g) | Maximum Particle Size |
Minimum Particle Size | Average Particle Size | 5 min | 10 min | 20 min | 60 min | |
| 1 | SPAN 20 | 0.2 | 0 | 255.7 | 61.5 | 119.73 | 95.32 | 81.22 | 68.12 | 41.25 |
| 2 | SPAN 20 | 0.2 | 0.1 | 3.11 | 0.51 | 1.41 | 98.61 | 96.34 | 90.28 | 77.42 |
| 3 | SPAN 40 | 0.2 | 0.1 | 3.62 | 0.52 | 1.29 | 98.32 | 96.76 | 93.51 | 84.81 |
| 4 | SPAN 60 | 0.2 | 0.1 | 3.27 | 0.59 | 1.22 | 98.11 | 96.51 | 94.65 | 87.11 |