INHIBITION AND SYNERGISTIC EFFECT OF LEAD TARTRATE WITH TETRABUTYLAMMONIUM BROMIDE FOR ZINC IN ALKALINE SOLUTIONS

J Chin Soc Corr Pro

1997, Vol. 17

Issue (1): 36-40 DOI:

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INHIBITION AND SYNERGISTIC EFFECT OF LEAD TARTRATE WITH TETRABUTYLAMMONIUM BROMIDE FOR ZINC IN ALKALINE SOLUTIONS

WANG Jianming CAO Chu'nan LIN Haichao(State Key Laboratory of Corrosion and Protection; Institute of Corrosion and Protection of Metals; Chinese Academy of Sciences; Shenyang 110015)

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Abstract The influences of lead tartrate and tetrabutylammonium bromide (TBAB) on corrosion of zinc in KOH solutions were studied by using electrochemical techniques. The experimental results showed that the anodic dissolution of zinc and hydrogen evolution were inhibited by the reduction of Pb2+ on the active spots of zinc surface. It was found that TBAB mainly inhibited the anodic reaction by adsorption on some special spots of zinc surface. It was also found that Pb2+ and TBAB had an obvious synergistic effect on the inhibition of the anodic dissolution reaction of zinc. The desorption of these inhibitors from zinc surface was discussed.

Key words: Zinc Alkaline Lead tartrate Tetrabutylammonium bromide

Received: 25 February 1997

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WANG Jianming CAO Chu'nan LIN Haichao(State Key Laboratory of Corrosion and Protection; Institute of Corrosion and Protection of Metals; Chinese Academy of Sciences; Shenyang 110015). INHIBITION AND SYNERGISTIC EFFECT OF LEAD TARTRATE WITH TETRABUTYLAMMONIUM BROMIDE FOR ZINC IN ALKALINE SOLUTIONS. J Chin Soc Corr Pro, 1997, 17(1): 36-40.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1997/V17/I1/36

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