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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Fdil, Rabiaa
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Publications (2/2 displayed)
- 2018Green corrosion inhibitor: inhibitive action of aqueous extract of Punica Granatum for the corrosion of mild steel in 0.5 M H2SO4 and 1 M HCl solutions.
- 2018Evaluation of alkaloids extract of Retama monosperma (L.) Boiss. stems as a green corrosion inhibitor for carbon steel in pickling acidic medium by means of gravimetric, AC impedance and surface studiescitations
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article
Green corrosion inhibitor: inhibitive action of aqueous extract of Punica Granatum for the corrosion of mild steel in 0.5 M H2SO4 and 1 M HCl solutions.
Abstract
The inhibition of the corrosion of mild steel by punica granatum (PG) extract in 0.5M sulfuric acid medium and with a combination of potassium iodide in 1M hydrochloric acid medium by the weight loss method, potentiodynamic polarization technique and electrochemical impedance spectroscopy (EIS). The result Indicate that PG extract is a good inhibitor of mild steel in 0.5 M H2SO4 in 1M HCl ,but slightly better in H2SO4 solution than in HCl. The effect of temperature on corrosion behaviour with the addition of an optimal concentration of 3 g .l-1of PG extract was studied in a temperature range of 298-318 K. The addition of Potassium iodide with PG extract in 1M HCl medium has a positive effect on inhibition efficacy. The effectiveness of the protection increases with the increase of the concentration of the inhibitor in the both medium 0.5 M H2SO4 and 1 M HCl and but not with the effect of the temperature. Adsorption of PG extract on the surface metal obeyed the Langmuir adsorption isotherm. Thermodynamic parameters were calculated to understand the mechanism of inhibition.