Table 2 Orthogonal L9 (33) test results
From: Preparation and property analysis of antioxidant of carbazole derivatives
No. | Factors | Yield (%) | ||
|---|---|---|---|---|
A | B | C | ||
1 | 1 | 1 | 1 | 66.24 |
2 | 1 | 2 | 2 | 70.77 |
3 | 1 | 3 | 3 | 58.93 |
4 | 2 | 1 | 2 | 70.52 |
5 | 2 | 2 | 1 | 74.72 |
6 | 2 | 3 | 3 | 62.47 |
7 | 3 | 1 | 3 | 76.21 |
8 | 3 | 2 | 1 | 78.77 |
9 | 3 | 3 | 2 | 67.13 |
K1 | 195.94 | 212.97 | 219.73 | Â |
K2 | 207.71 | 224.26 | 208.42 | Â |
K3 | 212.11 | 188.53 | 197.61 | Â |
k1 | 65.31 | 70.99 | 73.24 | Â |
k2 | 69.24 | 74.75 | 69.47 | Â |
k3 | 74.04 | 62.84 | 65.87 | Â |
R | 8.73 | 11.91 | 7.37 | Â |
Order | B > A > C |  | ||
Optimal levels | A3 | B2 | C1 | Â |
Optimal conditions | A3B2C1 | Â | ||