Abstract

The inhibition action and adsorption behavior of three Schiff base tetrazole compounds of BIT, BIOHT, and BIMMT on copper in aqueous NaHCO3 (mass fraction 5%) solution were investigated by means of weight loss and electrochemical techniques. The results indicated that the three compounds have good corosion inhibition for copper in NaHCO3 solution. The inhibition efficiency of the three compounds was found to decrease as follows: BIMMTBIOHTBIT. The adsorption processes were exothermic reaction and belong to physical adsorption, and the adsorption behavior followed Langmuir isotherm.

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