From: Corrosion inhibition properties of pyrazolylindolenine compounds on copper surface in acidic media
Elements→ Inhib.↓ | Inhi. Conc. (mM l-1) | Rs(Ω cm2) | Rct(kΩ cm2) | n | QmS.sn. cm-2 | Cdl(μF cm-2) | WmS.s1/2. cm-2 |
---|---|---|---|---|---|---|---|
Blank | 0.0 | 19.21 | 0.298 | 0.7142 | 7.35×10-3 | 149.3 | 4.05×10-4 |
InPzPh | 1.0 | 357 | 2.044 | 0.7448 | 1.44×10-4 | 11.90 | 5.88×10-4 |
 | 2.0 | 27.2 | 2.562 | 0.8910 | 4.32×10-5 | 14.63 | 5.23×10-3 |
 | 3.0 | 59.2 | 2.923 | 0.9132 | 4.41×10-5 | 18.31 | 5.26×10-3 |
 | 4.0 | 28 | 4.32 | 0.9104 | 1.44×10-4 | 57.25 | 5.06×10-3 |
InPzTH | 2.5 | 31.17 | 35.92 | 0.6573 | 1.55×10-4 | 2.27 |  |
 | 2.0 | 36.2 | 21.14 | 0.6762 | 2.77×10-4 | 5.65 |  |
 | 1.5 | 18.92 | 11.56 | 0.7060 | 4.05×10-4 | 15.49 |  |
 | 1.0 | 27.23 | 1.8 | 0.852 | 4.83×10-4 | 17.31 |  |
InPzTAm | 2.0 | 30.40 | 174.5 | 0.8263 | 2.62×10-6 | 0.24 |  |
 | 1.5 | 24.23 | 143.5 | 0.8782 | 1.18×10-6 | 0.23 |  |
 | 1.0 | 17.39 | 68.7 | 0.8060 | 3.13×10-6 | 0.39 |  |
 | 0.5 | 17.48 | 56.5 | 0.8089 | 3.03×10-6 | 0.27 |  |