Table 6 An EIS parameter of Al in 1.0 M HCl with MOF inhibitors at room temperature
Comp | Conc., × 104 M | Rct, Ω cm2 | Cdl, µFcm−2 | RL Ω cm2 | Rp, Ω cm2 | L Hcm−2 | θ | \(\mathrm{\%IE}\) | Goodness of Fit \(\chi\) 2 |
|---|---|---|---|---|---|---|---|---|---|
Blank | – | 4.99 | 57.35 | 3.07 | 1.90 | 8.31 | – | – | 5.62 × 10–3 |
MOF1 | 100 | 9.55 | 48.84 | 3.14 | 2.36 | 9.67 | 0.477 | 47.7 | 5.44 × 10–3 |
200 | 15.12 | 42.11 | 4.31 | 3.35 | 10.33 | 0.670 | 67.0 | 5.33 × 10–3 | |
300 | 30.25 | 39.45 | 11.5 | 8.33 | 22.59 | 0.835 | 83.5 | 4.81 × 10–3 | |
400 | 38.92 | 35.19 | 14.8 | 10.72 | 33.93 | 0.872 | 87.2 | 3.17 × 10–3 | |
MOF1@TiO2 | 100 | 14.11 | 44.08 | 4.85 | 3.61 | 11.45 | 0.646 | 64.6 | 3.48 × 10–3 |
200 | 27.42 | 38.41 | 10.15 | 7.41 | 19.13 | 0.818 | 81.8 | 4.84 × 10–3 | |
300 | 38.15 | 34.15 | 13.52 | 9.98 | 26.72 | 0.869 | 86.9 | 5.15 × 10–3 | |
400 | 46.89 | 31.20 | 21.02 | 14.51 | 34.11 | 0.894 | 89.4 | 5.52 × 10–3 |