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http://dx.doi.org/10.5658/WOOD.2021.49.1.67

Analysis and Tree-Ring Dating of Wooden Coffins Excavated from Incheon Sipjeong-Dong Site  

LEE, Kwang Hee (Research Institute of Wooden Cultural Heritage, Korea National University of Cultural Heritage)
LEE, Ui Cheon (Department of Heritage Conservation and Restoration, Graduate School of Cultural Heritage, Korea National University of Cultural Heritage)
KANG, Pyung Won (Hangang Institute of Cultural Heritage)
KIM, Soo Chul (Department of Conservation Science, Korea National University of Cultural Heritage)
Publication Information
Journal of the Korean Wood Science and Technology / v.49, no.1, 2021 , pp. 67-81 More about this Journal
Abstract
This study aimed to conduct tree-ring dating and analysis of the materials used for the wooden coffins excavated from the ruins of Sipjeong-dong, Incheon. The tree species for the 10 wooden coffin materials was identified as pine. For accurate tree-ring measurement, the cross section was polished using sandpaper. The annual ring width was measured with an accuracy of 0.01 mm. Since the five materials were consistent with each other in dendrochronology, a representative annual ring chronology of 83 years was prepared. The prepared representative annual ring chronology was compared with the standard annual ring chronology, and the outermost ring of the wooden coffin was confirmed to correspond to the year 1575, suggesting that the wooden coffin was produced in the late 16th century. In addition, microscopic observation and FT-IR analysis revealed that the fibers attached to the surface of the wooden coffin were fibroin (Silk), and infrared spectroscopy (FT-IR) and Py-GC/MS analysis showed that the paint left on the surface of the wooden coffin was lacquer.
Keywords
wooden coffins; tree-ring dating; pine; fibroin (silk); lacquer;
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