CORROSION INHIBITION BY AN AQUEOUS EXTRACT OF
ALOE VERA (L.) BURM F.(LILIACEAE)
V. Sribharathy, Susai Rajendran, P. Rengan, R. Nagalakshmi.
Abstract
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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