Linear regression equations of net current ΔI and COD value of the two-component solutions of An/KHP
| . | 1:9 . | 2:8 . | 3:7 . | |||
|---|---|---|---|---|---|---|
| An:KHPVoltage (V·vs. SCE) . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . |
| 2 | ΔI = 0.49·COD + 9.36 | 0.997 | ΔI = 0.52·COD + 9.71 | 0.997 | ΔI = 0.54·COD + 9.90 | 0.996 |
| 2.5 | ΔI = 1.82·COD + 134.49 | 0.997 | ΔI = 1.94·COD + 143.09 | 0.998 | ΔI = 1.98·COD + 153.38 | 0.998 |
| 3 | ΔI = 11.09·COD + 420.87 | 0.994 | ΔI = 11.58·COD + 446.66 | 0.996 | ΔI = 11.93·COD + 492.89 | 0.997 |
| 3.5 | ΔI = 12.18·COD + 770.28 | 0.988 | ΔI = 12.41·COD + 852.68 | 0.994 | ΔI = 12.73·COD + 935.34 | 0.997 |
| An:KHP . | 4:6 . | 5:5 . | ||||
| Voltage (V vs. SCE) . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . | ||
| 2 | ΔI = 0.56·COD + 10.27 | 0.993 | ΔI = 0.58·COD + 10.92 | 0.993 | ||
| 2.5 | ΔI = 2.27·COD + 155.96 | 0.989 | ΔI = 2.45·COD + 167.29 | 0.981 | ||
| 3 | ΔI = 12.33·COD + 511.98 | 0.995 | ΔI = 12.83·COD + 543.83 | 0.991 | ||
| 3.5 | ΔI = 13.11·COD + 981.85 | 0.999 | ΔI = 12.88·COD + 1,112.49 | 0.997 | ||
| . | 1:9 . | 2:8 . | 3:7 . | |||
|---|---|---|---|---|---|---|
| An:KHPVoltage (V·vs. SCE) . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . |
| 2 | ΔI = 0.49·COD + 9.36 | 0.997 | ΔI = 0.52·COD + 9.71 | 0.997 | ΔI = 0.54·COD + 9.90 | 0.996 |
| 2.5 | ΔI = 1.82·COD + 134.49 | 0.997 | ΔI = 1.94·COD + 143.09 | 0.998 | ΔI = 1.98·COD + 153.38 | 0.998 |
| 3 | ΔI = 11.09·COD + 420.87 | 0.994 | ΔI = 11.58·COD + 446.66 | 0.996 | ΔI = 11.93·COD + 492.89 | 0.997 |
| 3.5 | ΔI = 12.18·COD + 770.28 | 0.988 | ΔI = 12.41·COD + 852.68 | 0.994 | ΔI = 12.73·COD + 935.34 | 0.997 |
| An:KHP . | 4:6 . | 5:5 . | ||||
| Voltage (V vs. SCE) . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . | Linear regression equation (ΔI, μA; COD, mg/L) . | R2 . | ||
| 2 | ΔI = 0.56·COD + 10.27 | 0.993 | ΔI = 0.58·COD + 10.92 | 0.993 | ||
| 2.5 | ΔI = 2.27·COD + 155.96 | 0.989 | ΔI = 2.45·COD + 167.29 | 0.981 | ||
| 3 | ΔI = 12.33·COD + 511.98 | 0.995 | ΔI = 12.83·COD + 543.83 | 0.991 | ||
| 3.5 | ΔI = 13.11·COD + 981.85 | 0.999 | ΔI = 12.88·COD + 1,112.49 | 0.997 | ||
An and KHP stand for aniline and potassium hydrogen phthalate, respectively.