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Citation: WANG Xian-Qun, LIU Rui-Quan, ZHU Li-Qin, NG Jian-Wei. Inhibition Action and Adsorption Behaviors of BIT, BIOHT and BIMMT on Copper in Alkaline Medium[J]. Acta Physico-Chimica Sinica, ;2007, 23(01): 21-26. doi: 10.3866/PKU.WHXB20070105 shu

Inhibition Action and Adsorption Behaviors of BIT, BIOHT and BIMMT on Copper in Alkaline Medium

1.
College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, P. R. China

Received Date: 7 June 2006
Available Online: 8 January 2007

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 od corosion inhibition for copper in NaHCO3 solution. The inhibition efficiency of the three compounds was found to decrease as follows: BIMMT>BIOHT>BIT. The adsorption processes were exothermic reaction and belong to physical adsorption, and the adsorption behavior followed Langmuir isotherm.
- Inhibitor;Copper;Tetrazole;NaHCO3
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