Comparative corrosion inhibition study of bronze B66 alloy in 3,5% NaCl by 3-methyl-1,2,4-Triazole-5-thione and
4-amino-3-methyl-1,2,4-triazole-5-thione

H.Benassaoui; A.Dermaj; D.Chebabe; H.Erramli; M.Damej; N.Hajjaji; A.Srhiri

Organic Chemistry: An Indian Journal
ISSN (PRINT): 0974-7516

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Abstract

Comparative corrosion inhibition study of bronze B66 alloy in 3,5% NaCl by 3-methyl-1,2,4-Triazole-5-thione and 4-amino-3-methyl-1,2,4-triazole-5-thione

Author(s): H.Benassaoui,A.Dermaj, D.Chebabe,H.Erramli,M.Damej, N.Hajjaji,A.Srhiri

Corrosion inhibition of bronze B66 alloy in 3,5% NaCl solution using 3- methyl-1,2,4-triazole-5-thione (MTS) and 4-amino-3-methyl-1,2,4-triazole-5- thion (MTSNH) was investigated by potentiodynamic measurements and electrochemical impedance spectroscopy (EIS). This study permitted to follow the evolution of the inhibiting effect of some triazole derived on corrosion of bronze B66 in 3,5%NaCl solution. The obtained results show that the products tested are mixed inhibitors at lowconcentrations, retarding both anodic and cathodic reactions. Their inhibiting effecteffect increases with time immersion and products concentration corrosion rate. The comparative results showed that MTSNH is the best inhibitor.