๐”– Bobbio Scriptorium
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The Inhibition of the Iron Corrosion in aqueous solutions containing oxygen

โœ Scribed by Dr. M. A. Morsi; Dr. Y. A. Elewady; Dr. P. Lorbeer; Prof. Dr. W. J. Lorenz

Publisher
John Wiley and Sons
Year
1980
Tongue
German
Weight
736 KB
Volume
31
Category
Article
ISSN
0947-5117

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โœฆ Synopsis

Abstract

The corrosion behaviour of iron and steel in aerated aqueous 0.5 M Na~2~SO~4~ solutions in the range 7 โ‰ค pH โ‰ค 9 was studied on rotating disc electrodes. The polarization curves measured cyclic voltammetrically or under steadyโ€state potentiostatic conditions show a membrane inhibition effect caused by the timeโ€dependent formation of threeโ€dimensional porous oxide layers on the electrode surface. In presence of the inhibitors hexane (1, 6) biphosphonic acid, sodiumโ€dihydrogenphosphate, Preventol VP OC 2003 and Aktiphos the inhibition effect is markedly enhanced leading to more homogeneous and compact protecting layers.

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