Mössbauer study of corrosion of SS-304 exposed to sea water

Mossbauer spectroscopy was used to identify corrosion products of steel SS-304 exposed to seawater because of the unique Mossbauer parameters of each oxide and hydroxide of iron. Studies of the rust formed on SS-304 after 30 d exposure to seawater indicated that ferrihydrite and beta-FeOOH were form...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 1992-05, Vol.165 (2), p.107-113
Main Authors: ARSHED, M, BUTT, N. M, SIDDIQUE, M, ANWAR-UL-ISLAM, M
Format: Article
Language:English
Subjects:
Analytical chemistry
Applied sciences
Chemistry
Exact sciences and technology
Metals. Metallurgy
Spectrometric and optical methods
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Summary:Mossbauer spectroscopy was used to identify corrosion products of steel SS-304 exposed to seawater because of the unique Mossbauer parameters of each oxide and hydroxide of iron. Studies of the rust formed on SS-304 after 30 d exposure to seawater indicated that ferrihydrite and beta-FeOOH were formed as corrosion products due to the presence of chloride ions. Contrary to earlier studies ferrihydrite was found to exhibit 2 doublets at 300K while at 80K it exhibited a doublet and a sexlet signal. The behaviour of 2 atoms in ferrihydrite is discussed.
ISSN:0236-5731
1588-2780
DOI:10.1007/BF02164261