Abstract
Aqueous extract of stems of Tinosporacordiofolia was studied as a corrosion inhibitor for aluminum in sulfuric acid (pH = 3) by using potentiodynamic polarization method and electrochemical impedance spectroscopy (EIS) technique in the temperature range of 30 °C to 50 °C. The concentrations of inhibitor used were in the range of 50- 400ppm. Inhibition efficiency was found to increase with increase in inhibitor concentrations and decrease with increase in temperature. Tinosporacordiofolia stems extract (TCSE) acted as an anodic type inhibitor and underwent physical adsorption process on the surface of the metal and followed Langmuir adsorption isotherm.
| Original language | English |
|---|---|
| Pages (from-to) | 325-333 |
| Number of pages | 9 |
| Journal | International Journal of Innovative Research in Science,Engineering and Technology |
| Volume | 4 |
| Issue number | 2 |
| Publication status | Published - 2015 |
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