Time resolved spectroelectrochemistry studies for protection of heritage metals

Authors: Adriaens, A.; Dowsett, M.

Source: Surface Engineering, Volume 24, Number 2, March 2008 , pp. 84-89(6)

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Abstract:

This paper discusses the evaluation of metal conservation treatments using a specialised electrochemical cell. The cell can be deployed in a synchrotron beam line to make in situ, time resolved, measurements on heritage metal alloys undergoing processes based on immersion in aqueous treatment solutions, electrochemical treatments/measurements. The present paper focuses on two specific projects: the evaluation of corrosion potential data as a simple monitoring method during the stabilisation of cupreous objects recovered from marine environments and the development and testing of a coating to protect lead objects which is stable, reversible (i.e. easy to apply and to remove), protective against corrosion and aesthetically justified.

Keywords: ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; CULTURAL HERITAGE; X-RAY DIFFRACTION; X-RAY ABSORPTION; SPECTROELECTROCHEMISTRY; CORROSION POTENTIAL MEASUREMENTS; METAL CORROSION

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/174329408X281759

Publication date: 2008-03-01

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