Study of Corrosion Layer Products from an Archaeological Iron Nail

The very thick corrosion layers on a nail of archaeological origin were investigated, layer by layer, by various techniques: Mossbauer spectroscopy. X-ray diffraction, thermomagnetic and chemical analysis. The following model of podzol soil corrosion layer was derived: near the nucleus, crystalline...

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Bibliographic Details
Published inMicrobial Corrosion Vol. 15; pp. 338 - 345
Main Authors Novakova, A. A., Gendler, T. S., Manyurova, N. D.
Format Book Chapter
LanguageEnglish
Published CRC Press 1995
Maney Publishing
Edition2
Subjects
Corrosion
Metals & Metallurgy
Mossbauer Spectroscopy
Ferrous Iron
Industrial Microbiology
Magnetic Hyperfine
Corrosion Layer Products
X-ray Diffraction
EFC
Corrosion Layer
Iron Compounds
Ferrous Iron Compounds
X-ray Diffraction Patterns
Mossbauer Spectra
Podzol Soil
Unstable
Decomposition
Specific Saturation Magnetisation
Corrosion Scale
Lorentzian Line Shapes
Podsol Soil
Isomer Shifts
Magnetic Fraction
Crystalline Iron Oxides
Brownish Orange
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Summary:The very thick corrosion layers on a nail of archaeological origin were investigated, layer by layer, by various techniques: Mossbauer spectroscopy. X-ray diffraction, thermomagnetic and chemical analysis. The following model of podzol soil corrosion layer was derived: near the nucleus, crystalline iron oxides, such as Fe3O4 and Fe2O3 predominate, and on approaching the surface of the sample the quantity of magnetite diminishes and virtually disappears, haematite is found on the surface only in fine dispersed form, while the concentrations of iron-sulphur and iron-phosphate compounds are increased. This model can be explained only by active bacteria (especially sulphate reducing) playing a role in the process of soil corrosion.
ISBN:9780901716620
0901716626
DOI:10.1201/9780367814106-30