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|Title:||Corrosion inhibition by caffeine – Mn2+ system|
|Keywords:||Corrosion inhibition;caffeine-Mn2+ system;carbon steel;chloride ion environment;sodium dodecyl sulphate|
|IPC Code:||C23F 11/00|
|Abstract:||The inhibition efficiency of caffeine in controlling corrosion of carbon steel immersed in 60 ppm of Cl- ion environment has been evaluated, in the absence and presence of Mn2+ ions, by weight loss method. Influence of sodium dodecyl sulphate, pH and immersion period on the inhibition efficiency of the caffeine-Mn2+ ion system has also been investigated. The protective film formed on the metal surface has been analysed by FTIR spectra. The protective film consists of Fe2+ - caffeine complex and Mn(OH)2.|
|ISSN:||0975-0991 (Online); 0971-457X (Print)|
|Appears in Collections:||IJCT Vol.11(3) [May 2004]|
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