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Cell for simultaneous synchrotron radiation x-ray and electrochemical corrosion measurements on cultural heritage metals and other materials
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UNSPECIFIED (2006) Cell for simultaneous synchrotron radiation x-ray and electrochemical corrosion measurements on cultural heritage metals and other materials. ANALYTICAL CHEMISTRY, 78 (10). pp. 3360-3365. doi:10.1021/ac052125y ISSN 0003-2700.
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Official URL: http://dx.doi.org/10.1021/ac052125y
Abstract
We describe the construction of an electrochemical cell of the Bragg type suitable for in situ synchrotron X-ray measurements on rough, heterogeneous metals such as cultural heritage alloys and simulants with corroding or passivated surfaces. The cell features a working electrode, which may be moved under remote control from a position close to an X-ray window to full immersion in the electrolyte. A pocket of electrolyte in contact with the bulk can be maintained on the working electrode surface at all times. Its thickness (typically 100-200 mu m) can be controlled by adjusting the working electrode position and, independently, altering the conformation of the X-ray window with hydrostatic pressure. Alternatively, the electrode may be lowered into the bulk of the electrolyte. Early results from the cell showing a time-resolved study of the reduction of nantokite to cuprite in sodium sesquicarbonate, accompanied by corrosion potential measurements obtained in parallel, are presented here.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | ANALYTICAL CHEMISTRY | ||||
Publisher: | AMER CHEMICAL SOC | ||||
ISSN: | 0003-2700 | ||||
Official Date: | 15 May 2006 | ||||
Dates: |
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Volume: | 78 | ||||
Number: | 10 | ||||
Number of Pages: | 6 | ||||
Page Range: | pp. 3360-3365 | ||||
DOI: | 10.1021/ac052125y | ||||
Publication Status: | Published |
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