Survey of EIS measurements on copper and bronze patinas (Contributo in atti di convegno)

Type
Label
  • Survey of EIS measurements on copper and bronze patinas (Contributo in atti di convegno) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Paola Letardi; Giorgio Luciano (2007)
    Survey of EIS measurements on copper and bronze patinas
    in Metal 07, Amsterdam (The Netherlands), 17-21 settembre 2007
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Paola Letardi; Giorgio Luciano (literal)
Pagina inizio
  • 44 (literal)
Pagina fine
  • 50 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • METAL 07 - Interim meeting of the ICOM-CC Metal WG (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • Google S (literal)
  • PuM (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-ISMAR, Sede di Genova, Via De Marini 6, 16149 Genoa, Italy Genoa University, DICTFA, Via Brigata Salerno (ponte), 16147 Genoa, Italy (literal)
Titolo
  • Survey of EIS measurements on copper and bronze patinas (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
  • Christian Degrigny; Robert van Langh; Ineke Joosten; Bart Ankersmit (literal)
Abstract
  • This paper presents a survey of electrochemical impedance spectroscopy (EIS) measurements on copper and bronze patinas, both on coupons and on outdoor bronze monuments. Corrosion rates of the various patinas under examination show a wide range of values as can be guessed from the low frequency impedance modulus varying over two orders of magnitude. Similarities and differences between \"historical\" patinas and \"short time\" ones are sketched. Principal component analysis (PCA) is applied to EIS measurements on Monumento a Bartolomeo Colleoni bronze statue to enlighten data structure (i.e. groups and similarity between objects). In situ measurements of electrochemical properties of patinas, in conjunction with other analytical techniques, would provide useful information for better conservation practices. (literal)
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