Std order | Trials | Â | Variables | ACP productivity (U L-1 min-1) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
 | Type | X1 | X2 | X3 | X4 | Actual value | Predicted value | Residual | |||
19 | 1 | Center | 0 | 0 | 0 | 0 | 190.48 | 190.459 | 0.024 | ||
18 | 2 | Factorial | -1 | -1 | 1 | 1 | 140.75 | 143.832 | -3.077 | ||
21 | 3 | Center | 0 | 0 | 0 | 0 | 191.06 | 190.459 | 0.605 | ||
14 | 4 | Factorial | -1 | 1 | 1 | -1 | 151.80 | 143.396 | 8.409 | ||
11 | 5 | Factorial | -1 | 1 | 1 | 1 | 150.06 | 148.558 | 1.502 | ||
28 | 6 | Factorial | -1 | -1 | -1 | -1 | 157.62 | 164.528 | -6.906 | ||
3 | 7 | Factorial | 1 | 1 | 1 | -1 | 162.27 | 160.384 | 1.890 | ||
32 | 8 | Center | 0 | 0 | 0 | 0 | 190.48 | 190.459 | 0.024 | ||
4 | 9 | Factorial | 1 | 1 | -1 | -1 | 168.96 | 177.082 | -8.118 | ||
16 | 10 | Axial | 0 | 2 | 0 | 0 | 174.48 | 173.689 | 0.7997 | ||
24 | 11 | Factorial | 1 | -1 | -1 | 1 | 129.12 | 148.727 | -19.60 | ||
6 | 12 | Center | 0 | 0 | 0 | 0 | 190.19 | 190.459 | -0.266 | ||
12 | 13 | Center | 0 | 0 | 0 | 0 | 190.77 | 190.459 | 0.315 | ||
17 | 14 | Axial | 0 | 0 | 2 | 0 | 158.20 | 166.516 | -8.312 | ||
30 | 15 | Center | 0 | 0 | 0 | 0 | 189.90 | 190.459 | -0.557 | ||
25 | 16 | Axial | 0 | 0 | 0 | 2 | 153.25 | 148.388 | 4.871 | ||
34 | 17 | Factorial | 1 | -1 | 1 | 1 | 161.69 | 152.387 | 9.306 | ||
15 | 18 | Center | 0 | 0 | 0 | 0 | 190.77 | 190.459 | 0.315 | ||
27 | 19 2 | Center | 0 | 0 | 0 | 0 | 190.19 | 190.459 | -0.266 | ||
36 | 20 | Factorial | -1 | -1 | 1 | -1 | 146.28 | 141.869 | 4.410 | ||
26 | 21 | Factorial | 1 | -1 | -1 | -1 | 156.16 | 153.889 | 2.278 | ||
20 | 22 | Axial | 0 | 0 | -2 | 0 | 204.44 | 188.714 | 15.728 | ||
35 | 23 | Factorial | -1 | -1 | -1 | 1 | 151.22 | 149.333 | 1.8902 | ||
5 | 24 | Center | 0 | 0 | 0 | 0 | 190.48 | 190.459 | 0.0242 | ||
22 | 25 | Axial | 0 | -2 | 0 | 0 | 152.38 | 145.771 | 6.6160 | ||
13 | 26 | Axial | 2 | 0 | 0 | 0 | 158.20 | 147.855 | 10.348 | ||
7 | 27 | Factorial | 1 | -1 | 1 | -1 | 131.44 | 140.391 | -8.942 | ||
9 | 28 | Axial | 0 | 0 | 0 | -2 | 150.93 | 148.388 | 2.544 | ||
23 | 29 | Factorial | -1 | 1 | -1 | -1 | 163.72 | 169.254 | -5.525 | ||
10 | 30 | Center | 0 | 0 | 0 | 0 | 189.90 | 190.459 | -0.557 | ||
1 | 31 | Axial | -2 | 0 | 0 | 0 | 128.54 | 131.472 | -2.932 | ||
29 | 32 | Center | 0 | 0 | 0 | 0 | 190.48 | 190.459 | 0.024 | ||
31 | 33 | Center | 0 | 0 | 0 | 0 | 190.77 | 190.459 | 0.315 | ||
8 | 34 | Factorial | 1 | 1 | 1 | 1 | 171.29 | 175.579 | -4.289 | ||
2 | 35 | Factorial | -1 | 1 | -1 | 1 | 155.00 | 157.258 | -2.253 | ||
33 | 36 | Factorial | 1 | 1 | -1 | 1 | 174.48 | 175.119 | -0.630 | ||
Variables | Code | Coded and actual levels | Â | ||||||||
-2 | -1 | 0 | 1 | 2 | Â | ||||||
Glucose | Â | 8 | 16 | 24 | 32 | 40 | |||||
MgSO4.7H2O | Â | 0.18 | 0.36 | 0.54 | 0.72 | 0.9 | |||||
NaH2PO4 | Â | 0.15 | 0.45 | 0.75 | 1.05 | 1.35 | |||||
CrCl2.6H2O | Â | 0.002 | 0.004 | 0.006 | 0.008 | 0.01 |