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Polysaccharide degradation in waterlogged oak wood from the ancient warship Vasa
RISE., STFI-Packforsk.
RISE., STFI-Packforsk.ORCID-id: 0000-0002-0768-8958
RISE., STFI-Packforsk.
2008 (engelsk)Inngår i: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 62, nr 1, s. 57-63Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A rather extensive degradation of cellulose and hemicelluloses was found in waterlogged oak wood samples from the ancient warship Vasa by size exclusion chromatography with the solvent system lithium chloride/N,N-dimethylacetamide (LiCl/DMAc). The degradation has mainly occurred after salvage of the wreck, probably as a consequence of keeping iron contaminated wood in contact with air. The most likely explanation is Fenton type of reactions degrading the wood polymers and oxidising reduced sulphur forms to sulphuric acid. An increased degradation rate of the Vasa wood can be anticipated in the future if the sulphuric acid cannot be neutralised and the oxidative reactions cannot be quenched.

sted, utgiver, år, opplag, sider
2008. Vol. 62, nr 1, s. 57-63
Emneord [en]
Degradation, Iron, Oak wood, Size exclusion chromatography (SEC), Sulphur, Waterlogged wood
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Identifikatorer
URN: urn:nbn:se:ri:diva-29716DOI: 10.1515/HF.2008.008Scopus ID: 2-s2.0-36849032869OAI: oai:DiVA.org:ri-29716DiVA, id: diva2:1099004
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Tilgjengelig fra: 2017-05-29 Laget: 2017-05-29 Sist oppdatert: 2018-08-23bibliografisk kontrollert

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