Journal
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
Volume 117, Issue -, Pages 25-29Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jaap.2015.12.021
Keywords
Lacquer source; Lacquer species; Strontium; Cross-section
Funding
- Japan Society for the Promotion of Science (JSPS) [25282076, 26282070]
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan
- MEXT
- Grants-in-Aid for Scientific Research [25282076, 26282070] Funding Source: KAKEN
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Six pieces of lacquer obtained from Ryukyu lacquerwares produced in the 17-19th century in the Ryukyu Kingdom were analyzed by pyrolysis gas chromatography/mass spectrometry and Sr-87/Sr-86 isotope ratio measurements to determine the identity of the lacquer source. The results were compared with the standard of natural lacquer film to discriminate lacquer species. Four pieces were made used lacquer sap collected from Toxicodendron vernicifluum lacquer tree, and other two pieces were made with lacquer sap tapped from Toxicodendron succedanea lacquer tree according to the characteristics of the pyrolysis products. All Sr-87/Sr-86 isotope values of urushiol lacquerwares are over 0.71, suggesting that the origin of lacquer trees were the Asian continent. (C) 2016 Elsevier B.V. All rights reserved.
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