green inhibitor. corrosion

Corrosion Inhibition by an Aqueous Extract of Aloe Vera

An aqueous extract of Aloe vera (L) Burm f. (Liliaceae) has been used as a corrosion inhibitor in controlling corrosion of carbon steel immersed in sea water. Weight loss method reveals that 4ml of the extract provide 98% inhibition efficiency. The protective film has been analyzed using Fourier transform infrared (FTIR) spectroscopy and fluorescence spectroscopy. Electrochemical studies such as potentiodynamic polarization and alternating current impedance spectra have been used to find the mechanistic aspects of corrosion inhibition. 

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