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The effect of concentration and temperature were studied to measure the inhibiting capacity of extract Opuntia ficus-indica by using polarization and electrochemical impedance spectroscopy. The adsorption of the studied extract on carbon steel surface obeys the Langmuir adsorption isotherm.

Aqueous Extracts of Opuntia Ficus-Indica as Green Corrosion Inhibitor of A283C Carbon Steel in 1N Sulfuric Acid Solution