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首页> 外文会议>Corrosion posters (general) - 222nd ECS meeting/PRiME 2012 >Sodium Nitrite-based Corrosion Inhibitor for Reinforcing Steel in Simulated Polluted Concrete Pore Solutions
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Sodium Nitrite-based Corrosion Inhibitor for Reinforcing Steel in Simulated Polluted Concrete Pore Solutions

机译：亚硝酸钠基缓蚀剂，用于在模拟污染的混凝土孔溶液中增强钢材

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摘要

Corrosion behavior of reinforcing steel in the simulated polluted concrete pore (SPCP) solutions and the inhibition effect of NaNO_2 and D-sodium gluconate on the steel corrosion were studied by polarization curve measurements and electrochemical impedance spectroscopy (EIS). The results indicated that the compound inhibitor contained 5 g L~(-1) NaNO_2 and 0.01 M D-sodium gluconate could produce a strong inhibition effect for the steel in the solution with pH 11.00 and 3.5% NaCl, and its inhibition efficiency reached about 99.0%. The compound inhibitor mainly acted as an anodic corrosion inhibitor, and had an obvious synergistic effect on the corrosion inhibition of reinforcing steel.
机译：通过极化曲线测量和电化学阻抗谱研究了模拟污染混凝土孔隙（SPCP）溶液中钢筋的腐蚀行为以及NaNO_2和D-葡萄糖酸钠对钢腐蚀的抑制作用。结果表明，该复合缓蚀剂含有5 g L〜（-1）NaNO_2和0.01 M D-葡萄糖酸钠可以在pH 11.00和3.5％NaCl溶液中对钢产生较强的缓蚀作用，缓蚀效果达到99.0％。该复合缓蚀剂主要作为阳极缓蚀剂，对增强钢筋的缓蚀作用具有明显的协同作用。

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  • 会议地点 Honolulu HI(US)
  • 作者

    Xiao-Ping Wang; Rong-Gui Du; Yan-Feng Zhu; Ya Guo; Wen Chen; Zai-You Yang; Shi-Gang Dong; Chang-Jian Lin;

  • 作者单位

    State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China;

    State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China;

    State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China;

    State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China;

    State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China;

    State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China;

    State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China;

    State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China;

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