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为了搞清楚壁画、彩塑变色、退色的原因,使其不再进一步发生色变,就必须对壁画、彩塑所用颜料进行科学分析和研究。 莫高窟采用较先进的手段,全面系统地剖析颜料,是从八十年代开始的。研究人员运用X光衍射仪、红外光谱、扫描电镜等先进仪器对白、红、蓝等五种颜料的几百个样品进行了剖析,初步弄清了莫高窟颜料的物相组成及变色颜料的成分,
In order to find out the reasons for mural painting, color changing and discoloration of faded plastic and making it no longer undergo further discoloration, it is necessary to carry out scientific analysis and research on the pigments used in mural painting and color painting. Mogao Grottoes using more advanced means of a comprehensive and systematic analysis of paint, is from the eighties. Researchers using X-ray diffraction, infrared spectroscopy, scanning electron microscopy and other advanced instruments on white, red, blue and other five kinds of paint hundreds of samples were analyzed to initially clarify the Mogao Grottoes phase composition and color pigments ingredient,