Table 2.
Orthogonal arrays for statistical experiment and results
|
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 |