Insights into electrolytic stabilization with weak polarization as treatment for archaeological copper objects. Adriaens, A., Dowsett, M., Leyssens, K., & Van Gasse, B. Analytical and Bioanalytical Chemistry, 387(3):861–868, February, 2007. ![Insights into electrolytic stabilization with weak polarization as treatment for archaeological copper objects [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Immersion of corroded copper artefacts in dilute sodium sesquicarbonate solution is a well-recognized stabilization technique—especially in the conservation of objects recovered from marine environments and therefore saturated with chlorides. Here we describe three linked experiments performed to investigate a variation on this treatment, involving the application of a low potential to the artefact in order to drive the chloride extraction process. This includes a new spectroelectrochemical approach which allows 2-D pseudorandom X-ray reflection diffraction patterns to be obtained without interrupting the reaction in solution. Experiments were carried out on synthetically produced chloride layers on copper (nantokite and atacamite). We show that a thick chloride layer is, in general, replaced by a thin cuprite layer through a mechanism which involves detachment of the chloride crystallites from the surface prior to dissolution.
@article{adriaens_insights_2007,
title = {Insights into electrolytic stabilization with weak polarization as treatment for archaeological copper objects},
volume = {387},
issn = {1618-2642, 1618-2650},
url = {http://link.springer.com/10.1007/s00216-006-0835-1},
doi = {10.1007/s00216-006-0835-1},
abstract = {Immersion of corroded copper artefacts in dilute sodium sesquicarbonate solution is a well-recognized stabilization technique—especially in the conservation of objects recovered from marine environments and therefore saturated with chlorides. Here we describe three linked experiments performed to investigate a variation on this treatment, involving the application of a low potential to the artefact in order to drive the chloride extraction process. This includes a new spectroelectrochemical approach which allows 2-D pseudorandom X-ray reflection diffraction patterns to be obtained without interrupting the reaction in solution. Experiments were carried out on synthetically produced chloride layers on copper (nantokite and atacamite). We show that a thick chloride layer is, in general, replaced by a thin cuprite layer through a mechanism which involves detachment of the chloride crystallites from the surface prior to dissolution.},
language = {en},
number = {3},
urldate = {2021-05-07},
journal = {Analytical and Bioanalytical Chemistry},
author = {Adriaens, Annemie and Dowsett, Mark and Leyssens, Karen and Van Gasse, Bjorn},
month = feb,
year = {2007},
pages = {861--868},
}
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