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Please use this identifier to cite or link to this item: http://hdl.handle.net/2081/9101

Title: An Examination of Alterations to Mississippian Period Native Copper Artifacts from the Collection of the National Museum of the American Indian
Authors: Springer, Samantha
Keywords: native copper
cellulose nitrate
technical study
instrumental analysis
Issue Date: 17-Dec-2007
Abstract: Two Mississippian period native copper artifacts were examined with various instrumental analysis methods to characterize the artifacts, old repair materials, and the effects imparted by old treatments.
Description: This project grew out of research on the metallurgical techniques used during the Mississippian period by Kim Cullen Cobb, an Andrew W. Mellon Conservation Fellow at the NMAI. Various instrumental analysis methods, including x-ray fluorescence (XRF), scanning electron microscopy with energy dispersive x-ray spectroscopy (SEM-EDS), Fourier-transform infrared spectroscopy (FTIR), gas chromatography/mass spectrometry (GC-MS), and Raman spectroscopy were used to characterize the artifacts and old repair materials. Metallographic microscopy and cresol red monitoring were performed to elucidate effects imparted by past treatments. Although analysis showed that the repair material is not currently causing further damage to the artifacts, it should not be removed.
URI: http://hdl.handle.net/2081/9101
Appears in Collections:ANAGPIC 2007 Papers

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