Linear regression equations of net current ΔI and COD value of the three-component mixed solutions of An/RhB/KHP
| Volume ratios (An:RhB:KHP) . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . |
|---|---|---|
| 1:2:7 | ΔI = 1.73·COD + 140.37 | 0.993 |
| 2:3:4 | ΔI = 2.09·COD + 152.13 | 0.994 |
| 3:4:3 | ΔI = 2.35·COD + 164.28 | 0.996 |
| 4:5:1 | ΔI = 2.55·COD + 179.96 | 0.990 |
| Volume ratios (An:RhB:KHP) . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . |
|---|---|---|
| 1:2:7 | ΔI = 1.73·COD + 140.37 | 0.993 |
| 2:3:4 | ΔI = 2.09·COD + 152.13 | 0.994 |
| 3:4:3 | ΔI = 2.35·COD + 164.28 | 0.996 |
| 4:5:1 | ΔI = 2.55·COD + 179.96 | 0.990 |
An, RhB, and KHP stand for aniline, rhodamine B, and potassium hydrogen phthalate, respectively.