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Implications of eco-addition inhibitor to mitigate corrosion in reinforced steel embedded in concrete

机译：生态添加剂的缓蚀作用对减轻混凝土中钢筋的腐蚀

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The deleterious and entanglement of synthetic inhibitors provokes a platform for assessment of Rosa damascena (R. damascena) leaves as a green corrosion inhibitor on reinforced steel rebar. The inhibitory action was realised by electrochemical impedance spectroscopy and polarisation studies in simulated pore solution. Electrochemical measurements showed that the charge transfer resistance increases as the concentration of acid and ethanol extracts of R. damascena increases. Tafel polarisation curves divulge that the potential is shifted towards positive side evincing the nobility of the inhibitor. The experimental model for adsorption obeyed Langmuir adsorption isotherm disclosing the physisorption behaviour. The maximum protection efficiency is 82% at a concentration of 12 v/v %. SEM images stipulates the chelating effect of phytochemical constituents containing hetero atoms such as O, N, aromatic rings and pi-electrons interacting with iron ions resulting in the shielding of the metal from corrosion. (C) 2019 Elsevier Ltd. All rights reserved.
机译：合成抑制剂的有害和缠结为Rosa damascena（R. damascena）叶片作为绿色钢筋上的绿色腐蚀抑制剂的评估提供了一个平台。通过电化学阻抗谱和在模拟孔溶液中的极化研究实现了抑制作用。电化学测量表明，电荷转移电阻随着大马士革酸和乙醇提取物浓度的增加而增加。 Tafel极化曲线透露出电位向正侧转移，表明抑制剂的高贵性。吸附实验模型遵循Langmuir吸附等温线，揭示了其物理吸附行为。浓度为12 v / v％时，最大保护效率为82％。 SEM图像规定了含有杂原子（例如O，N，芳环和pi电子）与铁离子相互作用的植物化学成分的螯合作用，从而保护了金属免受腐蚀。 （C）2019 Elsevier Ltd.保留所有权利。

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