A comprehensive study on crude methanolic extract of Artemisia pallens (Asteraceae) and its active component as effective corrosion inhibitors of mild steel in acid solution
By Garai, Subhadra; Garai, Saraswati; Jaisankar, Parasuraman; Singh, J.K. & Elango, Adirajan
Published in Corrosion Science
NULL
2012
Abstract
Corrosion inhibition effects of crude methanolic extract of Artemisia pallens on mild steel in 1 mol l−1 HCl were studied by weight loss and electrochemical technique. Arbutin, an active principle from A. pallens and the crude methanolic extract exhibited inhibition efficiency of 93% and 98% in 400 mg l−1 concentration at 30 °C respectively. The results indicated that arbutin in acidic medium acted as good anti-corrosive agent synergistically with its hydrolyzed products hydroquinone and d-glucose. Adsorption of both the inhibitors on mild steel surface conformed to the Langmuir isotherm with standard adsorption free energy of −33.07 kJ mol−1 for arbutin.
Microsoft is Ending Support for Windows 7
Microsoft will discontinue support for Windows 7 on January 14, 2020 which means Gamry will also be discontinuing support for Windows 7. If you are upgrading to Windows 10, like many companies and institutions, you need to be running Version 7 of our s oftware . Please note that only USB and Ethernet-based instruments can run in Version 7. Eligible users can download the latest version of our software through our online Client Portal .
If you haven't already registered your instrument, you can do so through the Client Portal .
Please email Technical Support if you have any questions regarding this transition. Please be sure to include your instrument model and serial number when contacting us.