The Synergistic Effect Between Quaternary Ammonium Cation and Inorganic Anion for Corrosion Inhibition of Iron

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (4): 483.

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The Synergistic Effect Between Quaternary Ammonium Cation and Inorganic Anion for Corrosion Inhibition of Iron

ZOU Jin-Yun, ZHANG Xu

Department of Environmental Science, Wahan University, Wuhan, 430072

Received:1992-05-05 Revised:1992-10-22 Online:1993-04-24 Published:1993-04-24

Abstract

Abstract: The synergistic effect between tetra-butylammonium cation (TBA⁺) or hexadecyl pyridini-um cation (HDP⁺) and SCN^- or I^- in 0.5 mol/L H₂SO₄ for corrosion inhibition of iron was investigated by potentiodynamic and polarization resistance techniques.The results show that the synergistic effect between HDP⁺ containing π electron construction and inorganic anion is stronger than that between TBA⁺ and inorganic anion.It was discussed in detail that joint adsorption pattern of cation and anion on the interface of electrode-solution is related to construction and property of ions.

Key words: Inhibitor, Quaternary ammonium cation, Synergistic effect

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ZOU Jin-Yun, ZHANG Xu . The Synergistic Effect Between Quaternary Ammonium Cation and Inorganic Anion for Corrosion Inhibition of Iron[J]. Chem. J. Chinese Universities, 1993, 14(4): 483.

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The Synergistic Effect Between Quaternary Ammonium Cation and Inorganic Anion for Corrosion Inhibition of Iron

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