硬いおよび軟らかい酸塩基の法則に基づいた陰イオンの腐食および抑制現象のさらなる考察

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doi:10.3323/jcorr.63.417

Zairyo-to-Kankyo

Online ISSN : 1881-9664
Print ISSN : 0917-0480
ISSN-L : 0917-0480

Review

Futher Considerations on Corrosion and Inhibition Phenomena of Anions Based on the Hard and Soft Acids and Bases Principle

Kunitsugu Aramaki

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Keywords: hard and soft acids and bases principle, linear free energy relationship, iron, acid corrosion, anions, chemisorption, anodic process, inhibition, stimulation, passive film breakdown, anion penetration, X-ray photoelectron spectroscopy, metastable pit

JOURNAL FREE ACCESS

2014 Volume 63 Issue 7 Pages 417-426

DOI https://doi.org/10.3323/jcorr.63.417

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Abstract

A comprehensible explanation of the hard and soft acids and bases principle (HSAB principle) is described in this review first. Inhibition and stimulation of the anodic process for iron corrosion in an acid solution containing various anions are interpreted on the basis of the HSAB principle. Further, effects of anions on passive film breakdown of iron in solutions of various anions are discussed using the principle.

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