酸性溶液中有机胺和氯离子对铁缓蚀的协同作用

中国腐蚀与防护学报

1986, Vol. 6

Issue (4): 283-288

研究报告

本期目录 | 过刊浏览

酸性溶液中有机胺和氯离子对铁缓蚀的协同作用

周盛奇;曹楚南

中国科学院金属腐蚀与防护研究所;中国科学院金属腐蚀与防护研究所

THE SYNERGISTIC EFFECT OF ORGANIC AMINES AND CHLORIDE ION ON THE CORROSION INHIBITION OF IRON IN ACIDIC SOLUTION

Zhou Shengqi and Cao Chunan(Institute of Corrosion and Protection of Metals; Academia Sinica)

全文: PDF(503 KB)

摘要: 利用弱极化曲线拟合方法相交流阻抗测量技术研究了Cl~-对于癸胺(DA)、二戊胺(DPA)和十二烷基胺(DDA)对铁缓蚀作用的影响,并用原子吸收光谱溶液分析技术验证了测量结果。实验表明,在酸性介质中,有机胺和Cl~-在对铁的缓蚀作用上存在着协同效应。缓蚀作用和协同效应的大小与有机胺的种类和溶液中氯离子的浓度有关。有机胺对铁腐蚀电化学行为的影响也由于溶液中Cl~-的存在而发生明显的改变,

Abstract：The effect of chloride ion on the corrosion inhibition of iron caused by dencylamine(DA), dipentylamine(DPA) and dodecylamine(DPA) has been investigated by curve-fitting method of weak polarization data and AC impedance technique. The results are verified by atomic absorption spectrum analysis of solutions. It is indicated that chloride ion has marked synergism with organic amines on corrosion inhibition of iron in acidic solutions and that the corrosion inhibition and the synergism are influenced by both the sort of organic amies and the Cl- concentration in solutions. It is also shown that the effect of organic amines on electrochemical behaviour of iron is changed obviously by the existence of Cl- in solutions.

收稿日期: 1986-08-25

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引用本文:

周盛奇;曹楚南. 酸性溶液中有机胺和氯离子对铁缓蚀的协同作用[J]. 中国腐蚀与防护学报, 1986, 6(4): 283-288.
. THE SYNERGISTIC EFFECT OF ORGANIC AMINES AND CHLORIDE ION ON THE CORROSION INHIBITION OF IRON IN ACIDIC SOLUTION. J Chin Soc Corr Pro, 1986, 6(4): 283-288.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y1986/V6/I4/283

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