Analysis of Sakhalin-Ainu lacquerwares by pyrolysis gas chromatography/mass spectrometry

Soichiro Idei, Takayuki Honda, Rong Lu, Tetsuo Miyakoshi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Six pieces of Sakhalin-Ainu lacquerware were analyzed by pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) to determine the lacquer source. In the direct Py-GC/MS, 3-heptylphenol (P7) and 3-pentadecylphenol (P15) were detected in the mass chromatograms at m/z = 108, and palmitic acid and stearic acid were detected at m/z = 60 in the mass chromatograms of all pieces of Sakhalin-Ainu lacquerware, implying that drying oil was added to sap collected from a Toxicodendron vernicifluum lacquer tree to prepare the lacquer. The energy dispersive X-ray fluorescence results showed that the component ratio of base ground powder was similar to that of Aizu and Joboji lacquerwares, and the Fourier transform infrared spectroscopy results showed that Sakhalin-Ainu lacquerwares used persimmon tannin in the base ground powder like Joboji lacquerwares, suggesting that Sakhalin-Ainu lacquerwares were produced in Joboji, Japan. Based on these results, the production district, history, and culture of the Sakhalin-Ainu lacquerwares are discussed.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalJournal of Archaeological Science: Reports
Volume20
DOIs
Publication statusPublished - Aug 2018

Keywords

  • Cross-section
  • Lacquer culture
  • Py-GC/MS
  • Sakhalin-Ainu lacquerware

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