Dating Archaeological Strata in the Magna Mater Temple Using Solid‐state Voltammetric Analysis of Leaded Bronze Coins

The application of solid state electrochemistry techniques for dating archaeological strata using lead‐containing bronze coins is described. The proposed methodology was applied to samples coming from the Roman archaeological site of Magna Mater Temple (Rome, Italy) occurring in different strata dat...

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Bibliographic Details
Published in:Electroanalysis (New York, N.Y.) N.Y.), 2018-02, Vol.30 (2), p.361-370
Main Authors: Di Turo, Francesca, Montoya, Noemí, Piquero‐Cilla, Joan, De Vito, Caterina, Coletti, Fulvio, Favero, Gabriele, Doménech‐Carbó, María Teresa, Doménech‐Carbó, Antonio
Format: Article
Language:English
Subjects:
Archaeology
Bronze
Dating
Lead
Roman coins
Voltammetry of microparticles
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Summary:The application of solid state electrochemistry techniques for dating archaeological strata using lead‐containing bronze coins is described. The proposed methodology was applied to samples coming from the Roman archaeological site of Magna Mater Temple (Rome, Italy) occurring in different strata dating back between the second half and the end of the 4th century A.D. and the 20th century. The voltammetric signatures of copper and lead corrosion products in contact with aqueous acetate buffer, as well as the catalytic effects produced on the hydrogen evolution reaction, were used for establishing the age of different strata and dating coins belonging to unknown age. Voltammetric data were consistent with a theoretical approximation based on a potential rate law for the corrosion process.
ISSN:1040-0397
1521-4109
DOI:10.1002/elan.201700724