Enhancement of corrosion protection efficiency of mild steel by 3,5-di(4-tolyl)-4-amino-1,2,4-triazole in hydrochloric acid medium

K Tourabi, K Nohair, N Nyassi, B Hammouti, F Bentiss & A Chetouani
New 3,5-disubstituted-4-amino-1,2,4-triazole derivative, namely 3,5-di(4-tolyl)-4-amino-1,2,4-triazole (4-DTAT) was synthesised and its inhibitive action against the corrosion of mild steel in 1 M HCl solution was investigated at 308 K. The detailed study of 4-DTAT was been performed using gravimetric measurements and polarisation curves method. Results show that 4-DTAT is a good inhibitor and its inhibition efficiency reaches 95 % at·10−4 M. Tafel polarisation study revealed that 4-DTAT acts as a mixed type inhibitor. The adsorption of...
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