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本文采用光谱和化学分析方法对秦陵一号铜车马残件及其彩绘涂层的化学组成进行了元素分析和测定。残件材质的化学元素分析结果是:铜含量为84%-90%,锡为7%-13%,铅在1%以下,还有少量其它杂质元素总量约占2%左右。铜车马的残件四折合页和马身上的表面彩绘涂层,经光谱和X射线衍射分析证明,前者含有羟基磷灰石[Ca5(PO4)3OH];后者含有羟基磷灰石和白铅矿(PbCO3)。它们在秦陵一号和二号铜车马的部件彩绘涂层中作为白色颜料而存在的矿物质均有发现。
In this paper, the chemical composition of the Qinling No. 1 copper car horse residue and its painted coating was analyzed by elemental spectroscopy and chemical analysis. Residual material chemical elemental analysis results are: copper content of 84% -90%, tin is 7% -13%, lead in less than 1%, there are a small amount of other impurities accounted for about 2% of the total. Copper car horse residues on the four-fold hinge and the horse body surface painted coating, by spectroscopy and X-ray diffraction analysis showed that the former contains hydroxyapatite [Ca5 (PO4) 3OH]; the latter containing hydroxyapatite and white Lead ore (PbCO3). They found minerals as white pigments in the painted parts of the Qinling No.1 and No.2 copper horses.