A spectroscopic index for estimating the age of amber

被引：15
作者：
Kimura, H
Tsukada, Y
Mita, H
Yamamoto, Y [1 ]
Chujo, R
Yukawa, T
机构：
[1] Univ Tsukuba, Dept Chem, Tsukuba, Ibaraki 3058571, Japan
[2] Tsing Hua Univ, Tokyo Inst Technol, Beijing Off, Beijing 100084, Peoples R China
[3] Museum Nat Sci, Tsukuba Bot Garden, Tsukuba, Ibaraki 3050005, Japan
来源：
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 2006年 / 79卷 / 03期
关键词：
D O I：
10.1246/bcsj.79.451
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.
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收藏
页码：451 / 453
页数：3
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