Advances in the design of a gel-cell electrochemical sensor for corrosion measurements on metallic cultural heritage

Electrochemical impedance spectroscopy (EIS) is widely used in corrosion studies and coatings evaluation for metals. However, its applicability to conservation problems in the field cultural heritage is limited by the practical difficulties of performing in-situ measurements on sculptures and monume...

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Detalles Bibliográficos
Autores: Ramírez Barat, Blanca, Cano Díaz, Emilio, Letardi, P.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2018
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/169036
Acceso en línea:http://hdl.handle.net/10261/169036
Access Level:acceso abierto
Palabra clave:Electrochemical impedance spectroscopy
Corrosion
Cultural Heritage
Gel electrolytes
Electrochemical sensor
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spelling Advances in the design of a gel-cell electrochemical sensor for corrosion measurements on metallic cultural heritageRamírez Barat, BlancaCano Díaz, EmilioLetardi, P.Electrochemical impedance spectroscopyCorrosionCultural HeritageGel electrolytesElectrochemical sensorElectrochemical impedance spectroscopy (EIS) is widely used in corrosion studies and coatings evaluation for metals. However, its applicability to conservation problems in the field cultural heritage is limited by the practical difficulties of performing in-situ measurements on sculptures and monuments. Authors have proposed use of a gel polymer electrolyte (GP-E) cell as an electrochemical sensor to overcome the difficulties of handling liquid electrolytes on irregular surfaces. The aim of this paper is to optimize the design of the G-PE cell for in-situ EIS measurements on metallic cultural heritage, and to characterize in detail the possible effects of the configuration of the cell on the EIS spectra. Parasitic impedances from the reference electrodes have been analyzed to discriminate the response of the working electrode from that arising from artifacts from the cell setup, in order to be able to make an accurate interpretation of the results. This has allowed optimizing the different parameters and designing an effective tool for conservation assessment in metallic cultural heritage.This work was supported by the Spanish Ministry of Economy and Competitiveness (projects HAR2011-22402 and HAR2014-54893-R, and grant BES-2012-052716); by the CNR-STM grant “In situ electrochemical techniques for metal artworks conservation” and the Comunidad de Madrid (project GEOMATERIALES2 S2013/MIT-2914).Peer ReviewedElsevierMinisterio de Economía y Competitividad (España)Comunidad de MadridConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2018201820182018info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/169036reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttps://doi.org/10.1016/j.snb.2018.01.180Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/1690362026-05-22T06:33:51Z
dc.title.none.fl_str_mv Advances in the design of a gel-cell electrochemical sensor for corrosion measurements on metallic cultural heritage
title Advances in the design of a gel-cell electrochemical sensor for corrosion measurements on metallic cultural heritage
spellingShingle Advances in the design of a gel-cell electrochemical sensor for corrosion measurements on metallic cultural heritage
Ramírez Barat, Blanca
Electrochemical impedance spectroscopy
Corrosion
Cultural Heritage
Gel electrolytes
Electrochemical sensor
title_short Advances in the design of a gel-cell electrochemical sensor for corrosion measurements on metallic cultural heritage
title_full Advances in the design of a gel-cell electrochemical sensor for corrosion measurements on metallic cultural heritage
title_fullStr Advances in the design of a gel-cell electrochemical sensor for corrosion measurements on metallic cultural heritage
title_full_unstemmed Advances in the design of a gel-cell electrochemical sensor for corrosion measurements on metallic cultural heritage
title_sort Advances in the design of a gel-cell electrochemical sensor for corrosion measurements on metallic cultural heritage
dc.creator.none.fl_str_mv Ramírez Barat, Blanca
Cano Díaz, Emilio
Letardi, P.
author Ramírez Barat, Blanca
author_facet Ramírez Barat, Blanca
Cano Díaz, Emilio
Letardi, P.
author_role author
author2 Cano Díaz, Emilio
Letardi, P.
author2_role author
author
dc.contributor.none.fl_str_mv Ministerio de Economía y Competitividad (España)
Comunidad de Madrid
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Electrochemical impedance spectroscopy
Corrosion
Cultural Heritage
Gel electrolytes
Electrochemical sensor
topic Electrochemical impedance spectroscopy
Corrosion
Cultural Heritage
Gel electrolytes
Electrochemical sensor
description Electrochemical impedance spectroscopy (EIS) is widely used in corrosion studies and coatings evaluation for metals. However, its applicability to conservation problems in the field cultural heritage is limited by the practical difficulties of performing in-situ measurements on sculptures and monuments. Authors have proposed use of a gel polymer electrolyte (GP-E) cell as an electrochemical sensor to overcome the difficulties of handling liquid electrolytes on irregular surfaces. The aim of this paper is to optimize the design of the G-PE cell for in-situ EIS measurements on metallic cultural heritage, and to characterize in detail the possible effects of the configuration of the cell on the EIS spectra. Parasitic impedances from the reference electrodes have been analyzed to discriminate the response of the working electrode from that arising from artifacts from the cell setup, in order to be able to make an accurate interpretation of the results. This has allowed optimizing the different parameters and designing an effective tool for conservation assessment in metallic cultural heritage.
publishDate 2018
dc.date.none.fl_str_mv 2018
2018
2018
2018
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/169036
url http://hdl.handle.net/10261/169036
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv https://doi.org/10.1016/j.snb.2018.01.180
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,81155

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