Effects of corrosion inhibitors on corrosion products of iron or steel in aqueous solutions are reviewed Several organic and inorganic compounds seem to have sutlcient inhibition effects on rusted surfaces, but details such as the mechanism or influence of solution properties are not known. Although the complexity of the chemistry of corrosion products
makes it difficult to study the interaction between inhibitors and rusted steel surface. there is a need for a better understanding of the interaction to meet with success in a practical use of inhibitors.
Keywords: inhibitor, rust. oxide, hydroxide, corroded surface. steel, iron, ion-selectivity.