Monitoring stabilizing procedures of archaeological iron using electrochemical impedance spectroscopy

A methodology for monitoring washing procedures applied to stabilize archaeological iron is described. It is based on the combination of voltammetry of microparticles (VMP) with electrochemical impedance spectroscopy (EIS). A semi-empirical approach is used where the impedances at low and high frequ...

ver descrição completa

Detalhes bibliográficos
Autores: Doménech-Carbó, A., Lastras, M., Rodríguez, F., Cano Díaz, Emilio, Piquero-Cilla, J., Osete-Cortina, L.
Formato: artículo
Fecha de publicación:2014
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/114359
Acesso em linha:http://hdl.handle.net/10261/114359
Access Level:acceso abierto
Palavra-chave:Voltammetry of microparticles
Electrochemical impedance spectroscopy
Desalination methods
Archaeological iron
Conservation–restoration
id ES_7d2a916778fdbe0c8ae0e8f3054e9dd5
oai_identifier_str oai:digital.csic.es:10261/114359
network_acronym_str ES
network_name_str España
repository_id_str
spelling Monitoring stabilizing procedures of archaeological iron using electrochemical impedance spectroscopyDoménech-Carbó, A.Lastras, M.Rodríguez, F.Cano Díaz, EmilioPiquero-Cilla, J.Osete-Cortina, L.Voltammetry of microparticlesElectrochemical impedance spectroscopyDesalination methodsArchaeological ironConservation–restorationA methodology for monitoring washing procedures applied to stabilize archaeological iron is described. It is based on the combination of voltammetry of microparticles (VMP) with electrochemical impedance spectroscopy (EIS). A semi-empirical approach is used where the impedances at low and high frequencies were related with the fraction areas of passive and corrosion layers generated during the stabilizing treatment, the thickness, and the porosity of the corrosion layer. The variation of such parameters with the time of washing was determined from EIS data for four types of desalination procedures using concentrated NaOH and/or Na2SO3 aqueous solutions on archaeological iron artifacts. After 2 months of treatment, EIS data indicate that an essentially identical “stable” state was attained in all cases, as confirmed by the formation of a passive magnetite layer identified in VMP measurements while the rate of variation of corroded surface and porosity at short washing times varied significantly from one stabilization procedure to another.Peer ReviewedSpringer Nature2015201520142015info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/114359reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglésinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/1143592026-05-22T06:33:51Z
dc.title.none.fl_str_mv Monitoring stabilizing procedures of archaeological iron using electrochemical impedance spectroscopy
title Monitoring stabilizing procedures of archaeological iron using electrochemical impedance spectroscopy
spellingShingle Monitoring stabilizing procedures of archaeological iron using electrochemical impedance spectroscopy
Doménech-Carbó, A.
Voltammetry of microparticles
Electrochemical impedance spectroscopy
Desalination methods
Archaeological iron
Conservation–restoration
title_short Monitoring stabilizing procedures of archaeological iron using electrochemical impedance spectroscopy
title_full Monitoring stabilizing procedures of archaeological iron using electrochemical impedance spectroscopy
title_fullStr Monitoring stabilizing procedures of archaeological iron using electrochemical impedance spectroscopy
title_full_unstemmed Monitoring stabilizing procedures of archaeological iron using electrochemical impedance spectroscopy
title_sort Monitoring stabilizing procedures of archaeological iron using electrochemical impedance spectroscopy
dc.creator.none.fl_str_mv Doménech-Carbó, A.
Lastras, M.
Rodríguez, F.
Cano Díaz, Emilio
Piquero-Cilla, J.
Osete-Cortina, L.
author Doménech-Carbó, A.
author_facet Doménech-Carbó, A.
Lastras, M.
Rodríguez, F.
Cano Díaz, Emilio
Piquero-Cilla, J.
Osete-Cortina, L.
author_role author
author2 Lastras, M.
Rodríguez, F.
Cano Díaz, Emilio
Piquero-Cilla, J.
Osete-Cortina, L.
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Voltammetry of microparticles
Electrochemical impedance spectroscopy
Desalination methods
Archaeological iron
Conservation–restoration
topic Voltammetry of microparticles
Electrochemical impedance spectroscopy
Desalination methods
Archaeological iron
Conservation–restoration
description A methodology for monitoring washing procedures applied to stabilize archaeological iron is described. It is based on the combination of voltammetry of microparticles (VMP) with electrochemical impedance spectroscopy (EIS). A semi-empirical approach is used where the impedances at low and high frequencies were related with the fraction areas of passive and corrosion layers generated during the stabilizing treatment, the thickness, and the porosity of the corrosion layer. The variation of such parameters with the time of washing was determined from EIS data for four types of desalination procedures using concentrated NaOH and/or Na2SO3 aqueous solutions on archaeological iron artifacts. After 2 months of treatment, EIS data indicate that an essentially identical “stable” state was attained in all cases, as confirmed by the formation of a passive magnetite layer identified in VMP measurements while the rate of variation of corroded surface and porosity at short washing times varied significantly from one stabilization procedure to another.
publishDate 2014
dc.date.none.fl_str_mv 2014
2015
2015
2015
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/114359
url http://hdl.handle.net/10261/114359
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Springer Nature
publisher.none.fl_str_mv Springer Nature
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
_version_ 1869411643836858368
score 15,812455

Registos relacionados