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Moisture content profiles and uptake kinetics in wood cladding materials evaluated by a portable nuclear magnetic resonance spectrometer
Royal Institute of Technology KTH, Division of Physical Chemistry and Industrial NMR Centre, SE-100 44 STOCKHOLM, .
Royal Institute of Technology KTH, Division of Physical Chemistry and Industrial NMR Centre, SE-100 44 STOCKHOLM, .
Linnaeus University, Faculty of Science and Engineering, School of Engineering. (Virkeslära)
Linnaeus University, Faculty of Science and Engineering, School of Engineering.
2011 (English)In: Wood Material Science & Engineering, ISSN 1748-0272, Vol. 6, no 3, 119-127 p.Article in journal (Refereed) Published
Abstract [en]

We have evaluated the capability of nuclear magnetic resonance (NMR) technology based on small portable magnets for in situ studies of the local moisture content in wood. Low field and low resolution 1H NMR with a unilateral permanent magnet was used to monitor and map the moisture content of wood cladding materials of various types in a spatially resolved manner. The results show that portable NMR equipment based on small open-access permanent magnets can be successfully used for non-invasive monitoring of the moisture content in various extended wood specimens. The moisture content was measured with a depth resolution of 0.2 mm and a maximum penetration depth of 3 mm. This makes the technique suitable for e.g. in situ local moisture content measurements beneath a coating layer in the claddings and it is also possible to relate the moisture level to specific properties of the wood material.

Place, publisher, year, edition, pages
Taylor & Francis Group, 2011. Vol. 6, no 3, 119-127 p.
Keyword [en]
NMR, wood durability, sidings, Nuclear magnetic resonance, MRI, sidings, facades, durability, portable permanent magnet
National Category
Wood Science
Research subject
Technology (byts ev till Engineering), Forestry and Wood Technology
Identifiers
URN: urn:nbn:se:lnu:diva-18854DOI: 10.1080/17480272.2010.543288OAI: oai:DiVA.org:lnu-18854DiVA: diva2:528251
Available from: 2012-05-24 Created: 2012-05-24 Last updated: 2015-02-11Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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