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Preliminary study on forgery identification of Hetian Jade with Instrumental Neutron Activation Analysis
Krishnakumar Nangeelil1, Peter Dimpfl1, Mayir Mamtimin2
1Department of Health Physics and Diagnostic Sciences, University of Nevada Las Vegas, Las Vegas, NV, 89154, USA.
Abstract:
In this study, Instrumental Neutron Activation Analysis (INAA) was applied to study the elemental information of geological samples with the assistance of chemometric techniques. Samples of genuine Hetian Jade from Xijiang Province of China, counterfeit jade samples purchased at the neighborhood market, and granitoid samples from the same geographic location of genuine Hetian Jade were analyzed using INAA. The preliminary study indicates that INAA, with the help of principal component analysis (PCA), can be applied to obtain the multi-elemental concentrations of geological samples with high sensitivity, thereby effectively differentiating genuine Hetian Jade from counterfeit ones.
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