广西宁明花山岩画颜料胶结材料分析研究

花山岩画是研究我国百越民族古代社会历史的重要资料。岩画颜料中胶结材料分析是判断岩画制作工艺、岩画颜料脱落、褪色原因以及岩画病害治理的重要依据。本工作利用三维视频显微镜和材料显微镜、红外光谱仪、激光拉曼光谱仪、气相色谱质谱仪(GC-MS)等,主要分析了花山岩画颜料胶结物成分。结果表明,岩画颜料胶结材料为植物性粘合剂;颜料样品中含有分布均匀的草酸钙,草酸钙的形成与颜料使用植物性粘合剂有关。

Analyses of the pigment binding media in the rock painting of the Huashan Mountain, China

Huashan rock paintings represent the most important materials for studying the social history and culture of ancient Baiyue people in China. Analysis of the binding media is crucial to understanding the painting process, pigment exfoliation, pigment fading and the eventual treatment of deterioration of the Huanshan rock paintings. Microscope, infrared and microRaman spectroscopy and gas chromatographymass spectrometry (GCMS) were employed to analyze the binding media used in Huashan rock painting. The analysis showed the binding media of pigment was vegetal material. Pigment samples contained calcium oxalate, which indicates the usage of binding media came from plant resources.