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http://dx.doi.org/10.12654/JCS.2012.28.3.247

Changes in IR Spectra of Ambers with Accelerated Aging  

Park, Jongseo (Research Division of Restoration Technology, National Research Institute of Cultural Heritage)
Lim, Yujin (Research Division of Restoration Technology, National Research Institute of Cultural Heritage)
Publication Information
Journal of Conservation Science / v.28, no.3, 2012 , pp. 247-256 More about this Journal
Abstract
Amber has been used as gemstones and artifacts from the period of the Three Kingdoms or earlier, which are discovered in the process of excavation now. It is, however, very difficult to discuss the importing route and circulation of amber because there are no informations available on the provenance. In this study, we acquired the IR spectra of ambers originating from 5 different locations. We also monitored the change of characteristic IR peaks by artificially aging the ambers under heat, light and heat with oxygen, respectively. As the aging proceeded, the intensity of C=O band and O-H band increased, however, the bands related with C=C bond decreased. There needed some modifications in the discerning scheme because some peak disappeared with aging; yet, it was still possible to discern different ambers largely. Therefore, it is expected that the scheme can be used practically by appraising its applicability to the real amber relics excavated.
Keywords
Amber; Provenance; IR spectrum; Artificial aging;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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