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http://dx.doi.org/10.12654/JCS.2018.34.5.03

An Analysis of Archaeological Chemistry on the Low-grade Celadons Excavated at Noksan dong, Busan in Korea  

Nam, Kyung Min (National Research Institute of Maritime Cultural Heritage)
Kim, Gyu-Ho (Department of Cultural Heritage Conservation Science, Kongju National University)
Publication Information
Journal of Conservation Science / v.34, no.5, 2018 , pp. 345-358 More about this Journal
Abstract
The purpose of this study is to analyze the characteristics of low-grade 12th-century celadons, which were excavated from a kiln site in Noksan-dong, Busan. The physical and chemical properties of the body and the glaze are evaluated through scientific analyses. All the selected celadon shards have a similar body color, regardless of the kiln from which they originated. The celadon shards from 2 3 kilns are brighter than those from 4 5 kilns, and there are two saturations, namely gray and brown. The brightness of the glaze shows a high contribution of red and yellow. The porosity of the selected shards is 8.8% in the gray saturation and 16.1% in the brown saturation. The major chemical compositions of the body and glaze are in the typical chemical composition of the celadon, but the $TiO_2$ flux contents are different. The visible characteristic difference between the 2 3 kilns and the 4 5 kilns can be attributed to the mixing and the firing process rather than the raw materials used. The difference in the $Fe_2O_3$ and $K_2O$ flux between the 2 3 and 4 5 kilns can be attributed to changes in the ingredient combination during the process. In conclusion, Noksan-dong celadon could not be easier vitrification due to the manufacturing process that primary burning process, It is highly likely that there were process differences in kilns to produce high quality celadon.
Keywords
Celadon kiln site in Noksan dong; Busan; Low-grade celadons; Chromaticity; Bulk Specific gravity; Chemical composition;
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