一种蛋白质染色及食用染料作为新型缓蚀剂在酸性介质中对低碳钢的电化学变化

IF 2.3 Q3 ELECTROCHEMISTRY International journal of electrochemistry Pub Date : 2019-03-03 DOI:10.1155/2019/5743952
D. Özkır
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引用次数: 11

摘要

在本研究中,调查了一种食品染料,即快速绿色FCF(FG-FCF)作为一种新的缓蚀剂在盐酸溶液中对软钢的相关性。电化学阻抗谱(EIS)是最广泛使用的测量技术之一,它详细说明了这种效应。作为抑制剂浓度增加的结果,可以看出​​极化电阻的增加并像毯子一样覆盖FG-FCF的金属表面。根据Langmuir等温线,测试表明FG-FCF在软钢表面被化学吸附。通过场发射扫描电子显微镜(FESEM)和原子力显微镜(AFM)等表面特性分析,进一步确定了FG-FCF在HCl中的金属表面受到了保护。通过应用析氢技术,FG-FCF已被证明,由于其对金属表面的强烈吸附,在所有来自坯料的抑制溶液中都能提供最低的表面积。最后,阐明了FG-FCF可以作为一种良好的低碳钢缓蚀剂在实践中得到支持。
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The Electrochemical Variation of a Kind of Protein Staining and Food Dye as a New Corrosion Inhibitor on Mild Steel in Acidic Medium
In this study, the relevance of a food dye, namely, Fast Green-FCF (FG-FCF), was surveyed as a new inhibitor for mild steel in HCl solution. This effect was specified by electrochemical impedance spectroscopy (EIS), one of the most widely used measurement techniques. As a result of the increment of the inhibitor concentration, it was seen that the values ​​of polarization resistance increased and covered the metal surface of FG-FCF like a blanket. Tests endorse that the FG-FCF is chemically adsorbed on mild steel surface, according to the Langmuir isotherm. With surface characteristic analyses, such as field emission scanning electron microscope (FESEM) and atomic force microscope (AFM), it was further determined that the metal surface in HCl of FG-FCF was protected. By applying the hydrogen gas evolution technique, FG-FCF has been proven to provide the lowest surface area with all inhibited solutions from the blank due to its strong adsorption to the metal surface. Finally, it has been clarified that FG-FCF can be practically used as a good corrosion inhibitor for mild steel with the supported results.
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审稿时长
7 weeks
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