Table 1 Box-Benhken Response Surface methodology experimental design program and results.
Number | X1/mg | X2/% | X3/min | Y/% |
|---|---|---|---|---|
1 | 60(0) | 8(+ 1) | 30(-1) | 75.1112 |
2 | 60 | 7(0) | 45(0) | 98.5979 |
3 | 60 | 7 | 45 | 96.9858 |
4 | 40(-1) | 6(-1) | 45 | 86.062 |
5 | 80(+ 1) | 6 | 45 | 78.1221 |
6 | 40 | 8 | 45 | 86.3754 |
7 | 80 | 8 | 45 | 81.3881 |
8 | 60 | 6 | 60(+ 1) | 88.083 |
9 | 60 | 8 | 60 | 79.6506 |
10 | 80 | 7 | 60 | 83.7353 |
11 | 60 | 7 | 45 | 98.3404 |
12 | 60 | 7 | 45 | 92.5446 |
13 | 80 | 7 | 30 | 79.5635 |
14 | 40 | 7 | 60 | 86.5116 |
15 | 60 | 7 | 45 | 95.92 |
16 | 40 | 7 | 30 | 85.0659 |
17 | 60 | 6 | 30 | 87.0452 |