Multiple-scan voltammetry and OCP: Archaeometric tools for dating archaeological bronzes
| العنوان: | Multiple-scan voltammetry and OCP: Archaeometric tools for dating archaeological bronzes |
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| المؤلفون: | María Teresa Doménech-Carbó, Marianne Mödlinger, Antonio Doménech-Carbó |
| المصدر: | RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia instname |
| بيانات النشر: | Elsevier BV, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Bronze Age, Dating archaeological bronzes, Cuprite, General Chemical Engineering, chemistry.chemical_element, Context (language use), 02 engineering and technology, engineering.material, 010402 general chemistry, 01 natural sciences, Analytical Chemistry, Corrosion, Crystallinity, Electrochemistry, Bronze, Corrosion studies, Voltammetry, Deposition (law), Voltammetry of immobilized particles, Metallurgy, 021001 nanoscience & nanotechnology, Copper, 0104 chemical sciences, chemistry, PINTURA, visual_art, OCP, visual_art.visual_art_medium, engineering, 0210 nano-technology |
| الوصف: | [EN] The application of a multiple-scan strategy to nanosamples taken from 18 cross-sections of Bronze Age arms and armour, as well as two Roman coins using two solid-state electrochemical techniques, the voltammetry of immobilized microparticles (VIMP) and open circuit potential measurements (OCP) is described. The voltammetric responses in contact with aqueous acetate buffer can be attributed to the reduction of cuprite with variable degree of compaction and crystallinity revealing significant differences in the gradient of such properties with depth. Such differences are also revealed by "dry" OCP measurements connecting points in the cross section near and separated from the corrosion layer. The voltammetric study of the metallographic samples of the bronze objects shows correlation with the age of the objects, respectively the period of their deposition. We discuss also (potential) influence of different factors on the VIMP and OCP measurements, such as deposition context (soil, water), chemical composition of the copper alloys, and microstructural features (ascast, annealed, work-hardened), and how to overcome these issues. Project CTQ2017-85317-C2-1-P, supported with Ministerio de Economia, Industria y Competitividad (MINECO), Fondo Europeo de Desarrollo Regional (ERDF) and Agencia Estatal de Investigacion (AEI), is gratefully acknowledged. |
| وصف الملف: | application/pdf |
| تدمد: | 1572-6657 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0458f4a42b5281271e0c1239c76e62d8 https://doi.org/10.1016/j.jelechem.2021.115336 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....0458f4a42b5281271e0c1239c76e62d8 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 15726657 |
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