期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 122, 期 10, 页码 -出版社
SPRINGER
DOI: 10.1007/s00339-016-0400-5
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资金
- CNPq (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico-Brazil) [202311/2013-9]
Roman mural green pigment painting fragments from three Roman sites in the north of the Roman province Germania Superior: Koblenz Stadtwald Remstecken (KOSR), Weissenthurm Am guten Mann (WEIS) and Mendig Lungenkarchen (MELU), dating from second and third centuries AD were analyzed. The experiments were performed nondestructively using synchrotron-based scanning macro-X-ray fluorescence (SR-MA-XRF), synchrotron-based scanning micro-X-ray fluorescence (SR-mu-XRF), synchrotron-based X-ray diffraction (SR-XRD) and Raman spectroscopy. Correlation between SR-MA-XRF, SR-mu-XRF elemental map distributions and optical images of scanned areas was mainly found for the elements Ca, Fe and K. With XRF, Fe and K were identified correlated with green pigment, but in samples from two sites, Mendig Lungenkarchen and Weissenthurm Am guten Mann, also Cu was detected in minor concentration. The results of SR-XRD and Raman spectroscopy were limited to one sample from Weissenthurm Am guten Mann. In this sample, green earth and calcium carbonate were identified by SR-XRD and, additionally, malachite by Raman spectroscopy.
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