期刊
STUDIES IN CONSERVATION
卷 53, 期 2, 页码 81-92出版社
INT INST CONSERVATION HISTORIC ARTISTIC WORKS
DOI: 10.1179/sic.2008.53.2.81
关键词
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资金
- Austrian Fonds zur Forderung der wissenschaftlichen Forschung [T220-N02]
A thirteenth-century sacred and profane wall painting has been rediscovered during renovation work in a city castle in Krems, Lower Austria. A frieze with alternating blue circles and green diamonds attracted attention to the unusual green colour. Several analyses by means of light microscopy, scanning electron microscopy-energy-dispersive X-ray analysis and laboratory and synchrotron X-ray diffraction show that the green colour stems mainly from clinoatacamite, a copper trihydroxychloride polymorph of Cu-2(OH)(3) Cl which has probably been synthesized for this masterpiece. The pigment has been mixed in a lime matrix.
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