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Voltammetric Identification of Lead(II) and (IV) in Mediaeval Glazes in Abrasion-Modified Carbon Paste and Polymer Film Electrodes. Application to the Study of Alterations in Archaeological Ceramic

2000; Wiley; Volume: 12; Issue: 2 Linguagem: Inglês

10.1002/(sici)1521-4109(200002)12

1521-4109

Antonio Doménech‐Carbó, María Teresa Doménech‐Carbó, José Vicente Gimeno-Adelantado, M. Moya‐Moreno, F. Bosch‐Reig,

Building materials and conservation

ElectroanalysisVolume 12, Issue 2 p. 120-127 Article Voltammetric Identification of Lead(II) and (IV) in Mediaeval Glazes in Abrasion-Modified Carbon Paste and Polymer Film Electrodes. Application to the Study of Alterations in Archaeological Ceramic A. Doménech-Carbó, A. Doménech-Carbó Departament de Química Analítica, Universitat de València. Dr. Moliner 50, E-46100-Burjassot, València, SpainSearch for more papers by this authorM. T. Doménech-Carbó, M. T. Doménech-Carbó Department de Conservació i Restauració de Bens Culturals, Universitat Politècnica de València, Camino de Vera s/n, E-46022-València, SpainSearch for more papers by this authorJ. V. Gimeno-Adelantado, J. V. Gimeno-Adelantado Departament de Química Analítica, Universitat de València. Dr. Moliner 50, E-46100-Burjassot, València, SpainSearch for more papers by this authorM. Moya-Moreno, M. Moya-Moreno Department de Conservació i Restauració de Bens Culturals, Universitat Politècnica de València, Camino de Vera s/n, E-46022-València, SpainSearch for more papers by this authorF. Bosch-Reig, F. Bosch-Reig Departament de Química Analítica, Universitat de València. Dr. Moliner 50, E-46100-Burjassot, València, SpainSearch for more papers by this author A. Doménech-Carbó, A. Doménech-Carbó Departament de Química Analítica, Universitat de València. Dr. Moliner 50, E-46100-Burjassot, València, SpainSearch for more papers by this authorM. T. Doménech-Carbó, M. T. Doménech-Carbó Department de Conservació i Restauració de Bens Culturals, Universitat Politècnica de València, Camino de Vera s/n, E-46022-València, SpainSearch for more papers by this authorJ. V. Gimeno-Adelantado, J. V. Gimeno-Adelantado Departament de Química Analítica, Universitat de València. Dr. Moliner 50, E-46100-Burjassot, València, SpainSearch for more papers by this authorM. Moya-Moreno, M. Moya-Moreno Department de Conservació i Restauració de Bens Culturals, Universitat Politècnica de València, Camino de Vera s/n, E-46022-València, SpainSearch for more papers by this authorF. Bosch-Reig, F. Bosch-Reig Departament de Química Analítica, Universitat de València. Dr. Moliner 50, E-46100-Burjassot, València, SpainSearch for more papers by this author First published: 03 February 2000 https://doi.org/10.1002/(SICI)1521-4109(200002)12:2 3.0.CO;2-ECitations: 28AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Abstract Direct identification of lead(II) and (IV) in glazed ceramics by cyclic voltammetry and differential pulse voltammetry is described. Characteristic cathodic and anodic profiles are obtained for microsample coatings in Paraloid B72-film electrodes immersed in NaCl and HAc/NaAc media. The electrochemical response of PbO, PbO2 and Pb3O4, and a series of test specimens of glaze is compared with that of microsamples extracted from the glaze of blue and white decorated ceramic produced in Manises (Spain) in the 15th century which have been buried in a damp place. Under abrasive conditions, striping peaks at –0.12 and –0.25 V (vs. SCE) appear for Pb(IV) centers and, at –0.55 and –0.75 V, for Pb(II) centers. The weathering process is accompanied by a significant decrease of the total lead content and an enhancement of the Pb(IV)/Pb(II) ratio suggesting that a significant fraction of Pb(II) ions is released. Electrochemical data are compared with those obtained from SEM/EDX. Citing Literature Volume12, Issue2February 2000Pages 120-127 RelatedInformation