Journal
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
Volume 405, Issue 19, Pages 6373-6377Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-013-7039-2
Keywords
Real-time aging; Archaeological waterlogged wood; Oxygen consumption rate; Degradation; Vasa; Skuldelev ships
Funding
- Swedish Research Council (VR)
- Swedish Foundation for Strategic Research (SSF)
- Swedish Research Council for Environment, Agricultural Sciences, and Spatial Planning (FORMAS)
- Swedish Agency for Innovation Systems (VINNOVA)
- Danish Ministry of Culture
- Danish National Museum
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Rates of oxygen consumption have been measured over extended time periods for 29 whole samples of conserved, archaeological wood and four samples of fresh, unconserved wood, at 50 % relative humidity and room temperature. Samples from the Swedish Warship Vasa and the Danish Skuldelev Viking ships are included. Most rates were close to 1 mu g O-2 (g wood)(-1) day(-1) and the process persisted for several years at least. Consumption of oxygen is related to change in chemical composition, which is, in turn, related to degradation. It is thus demonstrated that despite conservation, waterlogged archaeological wood continues to degrade in a museum climate.
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