Table 4 Verification tests for the fitted model of optimum adsorption.
Group | Variable: Adsorption rate | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | Lower | Mean | Upper | Lower | Std | Upper | Std | Min | Max | DF | t value | Pr \(>\left|t\right|\) | |
CL | CL | CL Std | Dev | CL Std | Err | ||||||||
Mean | Mean | Dev | Dev | ||||||||||
Eggshell (ES) | 3 | 89.7 | 92.7 | 95.7 | 0.62 | 1.2 | 7.54 | 0.69 | 91.5 | 93.9 | 2 | 4.47 | 0.05 |
Eggshell membrane (ESM) | 58.4 | 67 | 75.6 | 1.8 | 3.46 | 21.74 | 2 | 63.7 | 70.6 | 2 | 4.21 | 0.05 | |
Eggshell with a membrane (ESWM) | 58.4 | 67 | 75.6 | 1.8 | 3.46 | 21.74 | 2 | 63.7 | 70.6 | 2 | 4.21 | 0.05 | |
Calcined eggshell (CES4) | 64.7 | 76.4 | 88.1 | 2.45 | 4.71 | 29.62 | 2.72 | 71.9 | 81.3 | 2 | 1.54 | 0.26 | |
