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Wood Research and Technology

Holzforschung

Cellulose – Hemicelluloses – Lignin – Wood Extractives

Editor-in-Chief: Faix, Oskar / Salmén, Lennart

Editorial Board: Daniel, Geoffrey / Militz, Holger / Rosenau, Thomas / Sixta, Herbert / Vuorinen, Tapani / Argyropoulos, Dimitris S. / Balakshin, Yu / Barnett, J. R. / Burgert, Ingo / Rio, Jose C. / Evans, Robert / Evtuguin, Dmitry V. / Frazier, Charles E. / Fukushima, Kazuhiko / Gindl-Altmutter, Wolfgang / Glasser, W. G. / Holmbom, Bjarne / Isogai, Akira / Kadla, John F. / Koch, Gerald / Lachenal, Dominique / Laine, Christiane / Mansfield, Shawn D. / Morrell, J.J. / Niemz, Peter / Potthast, Antje / Ragauskas, Arthur J. / Ralph, John / Rice, Robert W. / Salin, Jarl-Gunnar / Schmitt, Uwe / Schultz, Tor P. / Sipilä, Jussi / Takano, Toshiyuki / Tamminen, Tarja / Theliander, Hans / Welling, Johannes / Willför, Stefan / Yoshihara, Hiroshi


IMPACT FACTOR 2017: 2.079

CiteScore 2017: 1.94

SCImago Journal Rank (SJR) 2017: 0.709
Source Normalized Impact per Paper (SNIP) 2017: 0.979

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ISSN
1437-434X
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Volume 62, Issue 1

Issues

Degradation of polyethylene glycol and hemicellulose in the Vasa

Gunnar Almkvist / Ingmar Persson
Published Online: 2007-12-05 | DOI: https://doi.org/10.1515/HF.2008.009

Abstract

Mass spectrometric analysis of aqueous wood extracts from the Swedish warship Vasa reveals a serious chemical condition in the depth of the wood. The surface is less affected. Polyethylene glycol, used as conservation agent, is affected and partly degraded, and low-molecular fragments from hemicellulose are found at sites with high iron content and low pH. These findings imply a catalytic oxidative process and acidic hydrolysis in the wood, which contributes to a new picture of the challenge of long-term preservation of the Vasa.

Keywords: catalytic oxidation; hemicelluloses; hydrolysis; matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF); polyethylene glycol; Vasa; wood degradation

About the article

Corresponding author. Department of Chemistry, Swedish University of Agricultural Sciences, P.O. Box 7015, SE-750 07 Uppsala, Sweden


Received: 2007-03-21

Accepted: 2007-10-01

Published Online: 2007-12-05

Published in Print: 2008-01-01


Citation Information: Holzforschung, Volume 62, Issue 1, Pages 64–70, ISSN (Online) 1437434X, ISSN (Print) 00183830, DOI: https://doi.org/10.1515/HF.2008.009.

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