Use of Curcuma and Curcumin as a Green Corrosion Inhibitors for carbon Steel in Sulfuric Acid

E.A. Flores-Frias; V. Barba; M.A. Lucio-Garcia; R. Lopez-Cecenes; J. Porcayo-Calderon; J.G. Gonzalez-Rodriguez

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Use of Curcuma and Curcumin as a Green Corrosion Inhibitors for carbon Steel in Sulfuric Acid

机译：姜黄和姜黄素作为硫酸中碳钢的绿色缓蚀剂的用途

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The use of Curcuma (Curcuma longa L.) extract as a green corrosion inhibitor for 1018 carbon steel in0.5 M H 2 SO 4 solution has been evaluated by using weight loss tests, potentiodynamic polarization curvesand electrochemical impedance spectroscopy measurements. Results have shown that Curcuma longaL. decreased the weight loss by one and the corrosion current density values by two orders of magnitudes.Results of free energy suggest physical adsorption on to the steel surface obeying a Langmuir type ofadsorption isotherm. Polarization studies give evidence that Curcuma longa L. extract behaves as apredominantly cathodic type of inhibitor, and its efficiency increases with increasing its concentration,reaching a maximum value of 90%.

机译：通过重量损失测试，电势极化曲线和电化学阻抗谱测量，评估了姜黄提取物作为0.518 H 2 SO 4溶液中的1018碳钢绿色腐蚀抑制剂的用途。结果表明姜黄。重量损失减少了一个，腐蚀电流密度值减少了两个数量级。自由能的结果表明，钢表面上的物理吸附遵循Langmuir型吸附等温线。极化研究表明，姜黄提取物主要是阴极型抑制剂，其效率随浓度的增加而增加，最大值达到90％。

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《International Journal of Electrochemical Science》 |2019年第6期|共16页
作者
E.A. Flores-Frias; V. Barba; M.A. Lucio-Garcia; R. Lopez-Cecenes; J. Porcayo-Calderon; J.G. Gonzalez-Rodriguez;
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中图分类化学;
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Carbon steelacid corrosiongreen inhibitor;

机译：碳钢酸腐蚀绿色抑制剂;

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1. Nanosized scale roughness and corrosion protection of mild steel in hydrochloric acid solution and in the presence of Turmeric (Curcuma Longa) Extract as a green corrosion inhibitor: FTIR, polarization, EIS, SEM, EDS, AFM studies, and neural network modeling [J] . Mahdi Nasibi, Milad Mohammady, Ali Ashrafi Journal of Adhesion Science and Technology: The International Journal of Theoredtical and Basic Aspects of Adhesion Science and Its Applications in All Areas of Technology . 2014,第20期

机译：低碳钢在盐酸溶液中和存在姜黄（姜黄）提取物作为绿色缓蚀剂的情况下的纳米级粗糙度和腐蚀防护：FTIR，极化，EIS，SEM，EDS，AFM研究和神经网络建模
2. The Efficiency of Ecballium Elaterium Extract as Green Inhibitor for Carbon Steel Corrosion in Sulfuric Acid [J] . G.E.Badr, Amera Ali, A.S.Fouda International Journal of Electrochemical Science . 2021,第8期

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3. Some natural aqueous extracts of plants as green inhibitor for carbon steel corrosion in 0.5 M sulfuric acid [J] . M. Abdallah, Hatem M. Altass, B. A. AL Jahdaly, Green Chemistry Letters and Reviews . 2018,第3期

机译：一些天然的植物水提取物作为绿色抑制剂，可在0.5 M硫酸中腐蚀碳钢
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机译：使用源自莪术的金属络合物作为硫酸中碳钢的绿色腐蚀抑制剂

Use of Curcuma and Curcumin as a Green Corrosion Inhibitors for carbon Steel in Sulfuric Acid

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