A spectroscopic index for estimating the age of amber
A spectroscopic index for estimating the age of amber
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DOI:
10.1246/bcsj.79.451
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发表时间:
2006-03-15
影响因子:
4
通讯作者:
Yukawa, T
中科院分区:
文献类型:
--
作者:
Kimura, H;Tsukada, Y;Yukawa, T
Solid-state (CNMR)-C-13 characterization of cross-linkage formation between the exocyclic methylene groups of labdane polymers in amber demonstrated that the process is an apparent first-order reaction with a half-life of approximate to 13 million years.