Table 2 Orthogonal arrays for statistical experiment and results
From: The situ preparation of silica nanoparticles on the surface of functionalized graphene nanoplatelets
No. | Experiment conditions | Results | ||||
|---|---|---|---|---|---|---|
Ethanol (ml) | Temperature (°C) | TEOS (g) | NH3 · H2O (g) | Time (h) | Average particle size (nm) | |
1 | 100 | 30 | 0.3 (1) | 0.6 (1) | 4 (1) | 50 |
2 | 100 | 30 | 0.3 (1) | 1.2 (2) | 6 (2) | 120 |
3 | 100 | 30 | 0.3 (1) | 1.8 (3) | 8 (3) | 140 |
4 | 100 | 30 | 0.6 (2) | 0.6 (1) | 6 (2) | 100 |
5 | 100 | 30 | 0.6 (2) | 1.2 (2) | 8 (3) | 240 |
6 | 100 | 30 | 0.6 (2) | 1.8 (3) | 4 (1) | 170 |
7 | 100 | 30 | 0.9 (3) | 0.6 (1) | 8 (3) | 130 |
8 | 100 | 30 | 0.9 (3) | 1.2 (2) | 4 (1) | 160 |
9 | 100 | 30 | 0.9 (3) | 1.8 (3) | 6 (2) | 280 |