Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Chemical Properties of Artificially Buried Wood in an Intertidal Zone during the Deterioration Period

  • SEO, Sujin (Department of Wood Science and Engineering, College of Agriculture and Life Sciences, Chonnam National University) ;
  • KIM, Taekjoon (National Research Institute of Maritime Cultural Heritage) ;
  • LEE, Jae-Won (Department of Wood Science and Engineering, College of Agriculture and Life Sciences, Chonnam National University)
  • Received : 2020.07.30
  • Accepted : 2020.11.04
  • Published : 2020.11.25
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Abstract

Wood deterioration experiments were carried out for 6 months in an intertidal zone of South Korea to monitor the changes in the chemical properties of two types of species, Korean red pine and sawtooth oak. The results of FT-IR spectra and XRD patterns have shown that the chemical properties of the wood did not change significantly during the 6-month burial period. However, the brightness of the surface decreased after burial; the value of the sawtooth oak sample was lower than that of the Korean red pine sample owing to an accumulation of inorganic compounds in cell lumen as observed by ICP analysis. Among the inorganic compounds, sodium and sulfur concentrations increased significantly over the burial period compared with the control. Further, the maximum moisture content decreased from 199% to 136% in the Korean red pine and 62% to 60% for the sawtooth oak. Nevertheless, the major chemical composition of both the wood species did not change significantly during the 6-month burial period, whereas, the crystallinity decreased with an increasing burial period owing to an accumulation of inorganic compounds in the lumen.

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References

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