Electrochemical dating of archaeological gold based on repetitive voltammetry monitoring of silver/copper in depth concentration gradients

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dc.contributor.author Domenech-Carbo, Antonio
dc.contributor.author Scholz, Fritz
dc.contributor.author Brauns, Michael
dc.contributor.author Tiley-Nel, Sian
dc.contributor.author Van Bennekom, Joosje
dc.contributor.author Van Bork, Ellen
dc.contributor.author Barrio, Joaquin
dc.contributor.author Martinez-Caballero, Santiago
dc.contributor.author Oliver, Arturo
dc.contributor.author Aguilella, Gustavo
dc.contributor.author Martinez, Betlem
dc.contributor.author Domenech-Carbo, María Teresa
dc.date.accessioned 2024-08-27T05:46:42Z
dc.date.available 2024-08-27T05:46:42Z
dc.date.issued 2023-07
dc.description DATA AVAILABILITY : Data will be made available on request. en_US
dc.description.abstract The use of repetitive voltammetry for dating archaeological gold objects is described. The method involves the record of the gold- silver-, and copper-related voltammetric responses obtained for metal nanosamples attached to graphite electrodes immersed into HCl electrolytes. This methodology permits to characterize different electrochemical types representative of different manufacturing techniques. Age estimates are based on the assumption that decuprification/desilvering processes advance with time under reasonably uniform conditions. Age calibration curves covering a range of ca. 2500 years were obtained from a set of archaeological samples from the Mapungubwe Gold Collection at the University of Pretoria Museums, South Africa, the Rijksmuseum of Amsterdam, The Netherlands, the Rheinische Landesmuseum Trier of Mannheim (Germany), the Museu de Belles Arts de Castelló, Spain, the Museu de Segovia, Spain, and the repository of the Servei d’Investigació Arqueològica Municipal de València, Spain. en_US
dc.description.department Historical and Heritage Studies en_US
dc.description.librarian am2024 en_US
dc.description.sdg None en_US
dc.description.sponsorship ACKNOWLEDGEMENTS : Grant PID2020-113022GB-I00 funded by MCIN/AEI/10.13039/ 501100011033 and by “ERDF A way of making Europe”, by the “European Union frame is gratefully acknowledged. The authors wish to thank Mr. Manuel Planes, Dr. Jos´e Luis Moya and Mrs. Alicia Nuez Inbern´on, technical supervisors of the Electron Microscopy Service of the Universitat Polit`ecnica de Val`encia and Arno Brauns for organizing the ring from Hermeskeil and the trust of the responsible leadership of the Rheinische Landesmuseum Trier, Dr. Marcus Reuter and the Universit ¨at des Saarlandes, Prof. Dr. Sabine Hornung. In addition, to Maggie Loubser from the Faculty of Humanities for her valued critique and peer comments on the chemistry and analytical content, including Sandra Markgraaf, the University of Pretoria Museum Art Conservator for the preparation of the graphite bars for the selective samples chosen by the Curator of the Mapungubwe Gold Collection from the University of Pretoria Museums, in South Africa. Thanks to the Manheim Museum; the University of Pretoria Museums, the Rijksmuseum Amsterdam, and the Museums of Segovia and Belles Arts de Castell´o, as well as the Servei d’Investigaci´o Arqueol`ogica Municipal de Val`encia (SIAM). en_US
dc.description.sponsorship Grant PID2020-113022GB-I00 funded by MCIN/AEI/10.13039/ 501100011033 and by “ERDF A way of making Europe”, by the “European Union frame. en_US
dc.description.uri http://www.elsevier.com/locate/microc en_US
dc.identifier.citation Domenech-Carbo, A., Scholz, F., Brauns, M. et al. 2023, 'Electrochemical dating of archaeological gold based on repetitive voltammetry monitoring of silver/copper in depth concentration gradients', Microchemical Journal, vol. 190, art. 108661, pp. 1-9. https://DOI.org/10.1016/j.microc.2023.108661. en_US
dc.identifier.issn 0026-265X (print)
dc.identifier.issn 1095-9149 (online)
dc.identifier.issn 10.1016/j.microc.2023.108661
dc.identifier.uri http://hdl.handle.net/2263/97877
dc.language.iso en en_US
dc.publisher Elsevier en_US
dc.rights © 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license. en_US
dc.subject Gold en_US
dc.subject Dating en_US
dc.subject Archaeology en_US
dc.subject Electrochemistry en_US
dc.title Electrochemical dating of archaeological gold based on repetitive voltammetry monitoring of silver/copper in depth concentration gradients en_US
dc.type Article en_US


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