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Title: Chemistry; sensitive non-destructive evaluation (NDE) techniques
Description: Elemental and isotope analysis of the metals in ancient artifacts such as the prutah shown here sometimes can pinpoint the places where the metal was mined. This can be combined with historical sources to determine when the coin was likely struck. Archaeologists can use the evidence to identify or narrow date ranges of historical significance.

*CSTL
Subjects (names):
Topics/Categories: Chemical Analysis
Type: Photo/Color
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
Credit: Copyright D. Hendin
AV Number: 10CSTL005
Date Created: 2010
Date Entered: 5/25/2010

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