Inhibitive Effect of Cetyltriphenylphosphonium Bromide on C- steel Corrosion in HCl Solution

S. Abd El Wanees; Mohammed I. Alahmdi; S.M. Rashwan; M. M. Kamel; M.G. Abd Elsadek

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Inhibitive Effect of Cetyltriphenylphosphonium Bromide on C- steel Corrosion in HCl Solution

机译：十六烷基三苯基溴化on对HCl溶液中碳钢腐蚀的抑制作用

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Cetyltriphenylphosphonium bromide (CTPPB) was investigated as a corrosion inhibitor for C-steel in0.5 M HCl using chemical and electrochemical techniques, as well as, surface examination by SEM.The data indicated that CTPPB gives good inhibition effect and the inhibition mechanism is based onthe adsorption process forming a barrier layer film that protect the metal from acid attack. Theadsorption is found to obey Langmuir model. The effect of temperature was studied. The inhibitionefficiency increased by increasing inhibitor concentration and decreased with temperature. Somethermodynamic parameters for adsorption process are deduced and discussed.

机译：研究了十六烷基三苯基溴化CT（CTPPB）在0.5 M HCl中对C-钢的腐蚀抑制作用，采用化学和电化学技术，以及通过SEM进行表面检查，结果表明CTPPB具有良好的抑制作用，其抑制机理是基于在吸附过程中形成一层保护金属免受酸侵蚀的阻挡层膜。发现吸附遵循朗缪尔模型。研究了温度的影响。抑制效率随抑制剂浓度的增加而增加，随温度的升高而降低。推导并讨论了吸附过程的一些热力学参数。

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《International Journal of Electrochemical Science》 |2016年第11期|共17页
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S. Abd El Wanees; Mohammed I. Alahmdi; S.M. Rashwan; M. M. Kamel; M.G. Abd Elsadek;
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Inhibitive Effect of Cetyltriphenylphosphonium Bromide on C- steel Corrosion in HCl Solution

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