Dating Archaeological Copper/Bronze Artifacts by Using the Voltammetry of Microparticles

A method for dating copper/bronze archaeological objects aged in atmospheric environments is proposed based on the specific signals for cuprite and tenorite corrosion products measured through the voltammtry of microparticles method. The tenorite/cuprite ratio increased with the corrosion time and f...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2014-08, Vol.53 (35), p.9262-9266
Main Authors: Doménech-Carbó, Antonio, Doménech-Carbó, María Teresa, Capelo, Sofia, Pasíes, Trinidad, Martínez-Lázaro, Isabel
Format: Article
Language:English
Subjects:
AGING MECHANISMS
analytical chemistry
ARCHAEOLOGY
Bronze
Bronzes
Calibration
coins
Copper
CORROSION
CORROSION PRODUCTS
CUPRITE
Dating techniques
Law
Microparticles
PARTICLES
voltammetry
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Summary:A method for dating copper/bronze archaeological objects aged in atmospheric environments is proposed based on the specific signals for cuprite and tenorite corrosion products measured through the voltammtry of microparticles method. The tenorite/cuprite ratio increased with the corrosion time and fitted to a potential law that yielded a calibration curve usable for dating purposes. The dating game: A method for dating copper/bronze archaeological objects (see example) aged in atmospheric environments is proposed based on the measurement of specific voltammetric signals for cuprite and tenorite corrosion products. The tenorite/cuprite ratio increased with the corrosion time, fitting to a potential law that yielded a calibration curve usable for dating purposes.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201404522