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Anatase - a pigment in ancient artwork or a modern usurper?

机译:锐钛矿-古代艺术品或现代篡位者的颜料?

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摘要

Fragments of wall-paintings from Roman villas in Easton Maudit, which date from ca 150 AD have been studied by Raman spectroscopy. An intact ancient Roman paint pot discovered in the remains of a villa in Castor, Cambridgeshire, still containing a mixture of white and red pigment was also analysed and the pigments identified as haematite and anatase. The discovery of anatase in the intact artist's paint pot, particularly, and also on fragments of broken paint pots from the Easton Maudit villa site, is a unique contribution to current knowledge of ancient European pigment history, because the presence of this mineral has not hitherto been recognised fully in an ancient artist's palette. The relative spectral response of anatase and haematite in the Raman data is compared with that of anatase and other red pigments such as minium, cinnabar, and litharge.
机译:拉曼光谱研究了伊斯顿·马迪特(Easton Maudit)罗马别墅的壁画碎片,可追溯到公元150年。在剑桥郡卡斯特的一栋别墅的遗迹中发现了一个完整的古罗马油漆罐,该罐中仍包含白色和红色颜料的混合物,并对这些颜料鉴定为赤铁矿和锐钛矿。特别是在完整​​画家的油漆罐中以及在Easton Maudit别墅遗址的破碎油漆罐碎片中发现了锐钛矿,这是对目前欧洲古代颜料历史知识的独特贡献,因为迄今尚未发现这种矿物。在古代艺术家的调色板中得到充分认可。将拉曼数据中锐钛矿和赤铁矿的相对光谱响应与锐钛矿和其他红色颜料(如极小,朱砂和利特尔)的光谱响应进行了比较。

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