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|Title: ||Dating archaeological copper using electrochemical impedance spectroscopy. Comparison with voltammetry of microparticles dating.|
|Authors: ||Doménech-Carbó, A.|
Doménech-Carbó, M. T.
Al Sekhaneh, W.
|Issue Date: ||2016|
|Publisher: ||WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim|
|Citation: ||A. Doménech-Carbó, S. Capelo, J. Piquero, M. T. Doménech-Carbó, J. Barrio, A. Fuentes and W. Al Sekhaneh, Dating archaeological copper using electrochemical impedance spectroscopy. Comparison with voltammetry of microparticles dating, Materials and Corrosion 2016, 67(2), 120-129.|
|Abstract: ||A methodology for dating copper/bronze archaeological objects aged under
atmospheric environments using electrochemical impedance spectroscopy
(EIS) is described. The method is based on the measurement of resistance
associated to the growth of corrosion layers in EIS recorded upon immersion of
the pieces in mineral water and applying a bias potential for the reduction of
dissolved oxygen. Theoretical expressions for the time variation of such
resistance following a potential rate law are presented. Equivalent expressions
are derived and applied for estimating the variation of the tenorite/cuprite ratio
from their specific voltammetric signals using voltammetry of microparticles
data. Calibration curves were constructed from a set of well-documented coins.|
|Appears in Collections:||PAO - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica|
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