Polarization of Some Aluminium Alloys in Aqueous Solutions of n-Butylamine

Abstract

Cathodic as well as anodic polarization studies of 1060, 1100 and 3003 aluminium electrode have been carried out in aqueous solution of n-butylamine using potentiostatic techniques. Active-passive nature of the anodic curves for all aluminium alloys studied has been observed in different

compositions of n-butylarnine solution (from 2 to 0.1 %) except in

2% n-butylarnine solution. Both types of polatisation curves have been

shifted towatds lower region of current density by increasing water in

n-butylamine. Lowering of pH values of solution after polarisation studies

indicates the adsorption of the studied compound on the electrode surface.