期刊
JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY
卷 31, 期 22, 页码 2468-2489出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/01694243.2017.1306912
关键词
Mild steel; guar gum; green inhibitor; electrochemical techniques; theoretical study; AFM
资金
- Indian School of Mines, Dhanbad
Many of the synthetic corrosion inhibitors being used currently, are toxic and therefore research for developing environmentally benign corrosion inhibitors is of great importance. Inhibitors such as natural polysaccharides of plant origin are popular due to its non-toxic nature. Here, the toxicity of a natural polysaccharide, guar gum, and its modified form, cationic guar gum was studied and their inhibitory effects were investigated by gravimetric, electrochemical and surface morphology studies. Both the inhibitors are found to be effective and their adsorption on metal is in accordance with the Langmuir adsorption isotherm. Experimental results are in consonance with the results of quantum chemical calculations by density functional theory.
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