| Term |
Effect |
Coef |
SE Coef |
T* |
P** |
| Constant |
|
71.12 |
0.4284 |
166.03 |
0.000 |
| Main Factors |
|
| X |
-25.53 |
-12.77 |
0.4284 |
-29.80 |
0.000 |
| pH |
15.90 |
7.95 |
0.4284 |
18.56 |
0.000 |
| BD |
24.08 |
12.04 |
0.4284 |
28.10 |
0.000 |
| Interaction of two factors |
|
| X.pH |
9.75 |
4.87 |
0.4284 |
11.38 |
0.000 |
| X.BD |
15.05 |
7.53 |
0.4284 |
17.57 |
0.000 |
| pH.BD |
-13.87 |
-6.93 |
0.4284 |
-16.19 |
0.000 |
| Interaction of three factors |
|
| X.pH.BD |
-8.11 |
-4.05 |
0.4284 |
-9.46 |
0.000 |
|
| *T= t-test, **P=Propabiliy level |
| Table 3: Statistical parameters for full 23 factorial design of Cd2+ biosorption. |
