Table 2 Central composite design of input variables with responses
S. no | Independent variables | Response | |||
|---|---|---|---|---|---|
Factor 1 (ML1, μg/l) | Factor 2 (ML2, μg/l) | Factor 3 (Temperature, °C) | Experimental (Absorbance) | Predicted (Absorbance) | |
1 | 60.00 | 30.00 | 35.00 | 0.66 | 0.7 |
2 | 30.00 | 60.00 | 35.00 | 0.74 | 0.75 |
3 | 0.00 | 0.00 | 20.00 | 0.92 | 0.94 |
4 | 30.00 | 30.00 | 50.00 | 0.81 | 0.807 |
5 | 30.00 | 30.00 | 35.00 | 0.74 | 0.75 |
6 | 30.00 | 30.00 | 35.00 | 0.74 | 0.75 |
7 | 0.00 | 60.00 | 50.00 | 0.92 | 0.94 |
8 | 60.00 | 0.00 | 50.00 | 0.81 | 0.84 |
9 | 60.00 | 60.00 | 50.00 | 0.83 | 0.81 |
10 | 0.00 | 60.00 | 20.00 | 0.85 | 0.86 |
11 | 30.00 | 30.00 | 35.00 | 0.73 | 0.75 |
12 | 60.00 | 60.00 | 20.00 | 0.67 | 0.68 |
13 | 30.00 | 30.00 | 35.00 | 0.78 | 0.76 |
14 | 30.00 | 30.00 | 35.00 | 0.77 | 0.75 |
15 | 30.00 | 30.00 | 20.00 | 0.80 | 0.78 |
16 | 0.00 | 30.00 | 35.00 | 0.89 | 0.86 |
17 | 0.00 | 0.00 | 50.00 | 0.95 | 0.94 |
18 | 60.00 | 0.00 | 20.00 | 0.78 | 0.75 |
19 | 30.00 | 0.00 | 35.00 | 0.76 | 0.77 |
20 | 30.00 | 30.00 | 35.00 | 0.74 | 0.738 |