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One piece of Japanese Jōmon period lacquerware from the Yachi Relic in Niigata Prefecture and four pieces from the Shimoyakebe Relic in Tokyo of Japan were first analyzed by Py-GC/MS to determine the lacquer species, and secondly the strontium (87Sr/86Sr) isotope ratio was analyzed to examine the provenance of the lacquer. Compared with the pyrolysis products of standard lacquers, the results showed...
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