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Application of the voltammetry of microparticles for dating archaeological lead using polarization curves and electrochemical impedance spectroscopy |
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| Authors: | Antonio Doménech-Carbó María Teresa Doménech-Carbó María Amparo Peiró-Ronda Isabel Martínez-Lázaro Joaquín Barrio-Martín |
| Affiliation: | 1. Departament de Química Analítica, Universitat de València, Dr. Moliner, 50, 46100, Burjassot (València), Spain 2. Institut de Restauració del Patrimoni, Universitat Politécnica de València, Camino de Vera 14, 46022, Valencia, Spain 3. Museu de Prehistòria de València, Corona 36, 46003, Valencia, Spain 4. Instituto Valenciano de Conservación y Restauración de Bienes Culturales de la Generalitat Valenciana, Penyeta Roja s/n, Castellón, Spain 5. SECYR, Departamento de Prehistoria y Arqueología, Universidad Autónoma de Madrid, 28049, Madrid, Spain |
| Abstract: | The application of the voltammetry of microparticles methodology to date archaeological lead artifacts, based on the time-dependent formation of different layers of lead oxides, whose relative amount can be estimated from polarization curves and electrochemical impedance spectroscopy (EIS), is presented. This approach is complemented by additional data using square wave voltammetry data. Calibration of the method was performed with the help of a series of well-documented, lead pieces from the funds of different Spanish museums, covering since the 7th century BC to nowadays. |
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