A) (250 -125 μm), B) (500 -250 μm) and C) original size
|
| Figure 4: SEM images of effect of initial white sand particle size on the size of SiO2 NPs, Milling period: 8hr, Sand weight: 25 g, Media weight: 113 g, Water
volume: 50 ml, Mill speed: 400 rpm). A) (250 -125 μm), B) (500 -250 μm) and C) original size |
