期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
卷号：4
期号：2
页码：325
DOI：10.15680/IJIRSET.2015.0402070
出版社：S&S Publications
摘要：Aqueous extract of stems of Tinosporacordiofolia was studied as a corrosion inhibitor for aluminum insulfuric acid (pH = 3) by using potentiodynamic polarization method and electrochemical impedance spectroscopy (EIS)technique in the temperature range of 30 °C to 50 °C. The concentrations of inhibitor used were in the range of 50-400ppm. Inhibition efficiency was found to increase with increase in inhibitor concentrations and decrease withincrease in temperature. Tinosporacordiofolia stems extract (TCSE) acted as an anodic type inhibitor and underwentphysical adsorption process on the surface of the metal and followed Langmuir adsorption isotherm.
