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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 56, Number 6
JKCSEZ 56(6)
December 20, 2012

Title	Atmospheric Effects on Corrosion of Iron in Borate Buffer Solution Borate 완충용액에서 철의 부식에 대한 대기의 영향
Author	Hyun chul Kim, Younkyoo Kim* 김현철, 김연규*
Keywords	Iron, Oxide film, Adsorption, Langmuir, Temkin
Abstract	Using potentiodynamic and linear polarization method, the atmospheric effect on the corrosion of iron in borate buffer solution was investigated. The corrosion of iron was heavily influenced by the degree of oxygen concentration. The supply of reduction current was increased by the reduction of dissolved oxygen, and the corrosion potential of iron was shifted to the positive side. The OH- ion, which was produced through the reduction of either water or oxygen, significantly increased the OH- ion concentration inside of the electrical double layers of iron electrode, and facilitated the adsorption of OH- ion on the surface of the iron electrode. The adsorption of OH- ion on the iron electrode can be explained either by Langmuir isotherm or by Temkin logarithmic isotherm.
Page	673 - 678
Full Text	PDF

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