Wetherall, K. M., Moss, R., Jones, A. M., Smith, A., Skinner, T., Pickup, D., Goatham, S., Chadwick, A. and Newport, R. (2008). Sulfur and iron speciation in recently recovered timbers of the Mary Rose revealed via X-ray absorption spectroscopy. J Archaeol Sci 35 (5). Vol 35(5), pp. 1317-1328.

Title
Title
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Title:
Sulfur and iron speciation in recently recovered timbers of the Mary Rose revealed via X-ray absorption spectroscopy
Issue
Issue
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Issue:
J Archaeol Sci 35 (5)
Series
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Series:
Journal of Archaeological Science
Volume
Volume
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Volume:
35 (5)
Page Start/End
Page Start/End
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Page Start/End:
1317 - 1328
Biblio Note
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Biblio Note
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Publication Type
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Publication Type:
Journal
Abstract
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Abstract:
The paper reports the results of an investigation into the mechanisms that have led to the build up of sulphuric acid in the timbers of the Mary Rose, with a particular focus on recently recovered timbers. Measurements have been made by sulphur and iron K-edge X-ray absorption near edge spectroscopy (XANES), X-ray microscopy and by X-ray diffraction (XRD). Results from S K-edge XANES studies reveal that the concentration of highly oxidised S decreases with depth into the timber, from ~15 at.% of S at the surface to negligible levels after approximately 50 mm. Fe K-edge XANES reveals little variation with depth in which Fe3+ ions are dominant. This sheds some light on the sulphur oxidation path, and indicates Fe3+ ions are produced by the oxidation mechanisms that are currently underway. XRD studies have identified several mineral components that may form part of the oxidation chain. These are magnetite (Fe3O4), jarosite (KFe3(SO4)2(OH)6) and calcite (CaCO3).
Author
Author
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Author:
K M Wetherall
R M Moss
Andy M Jones ORCID icon
A D Smith
Theo Skinner
D M Pickup
S W Goatham
A V Chadwick
R J Newport
Year of Publication
Year of Publication
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Year of Publication:
2008
Locations
Locations
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Subjects / Periods:
Sheds (Auto Detected Subject))
Timber (Auto Detected Subject))
Iron (Auto Detected Subject))
Source
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Source:
Source icon
BIAB (The British & Irish Archaeological Bibliography (BIAB))
Relations
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URI: http://www.sciencedirect.com/science/journal/03054403
Created Date
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Created Date:
23 Jul 2008