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The wooden construction painting is a type of an ancient decorative art on Chinese ancient structures. Comprehensive reports concerning the composition of these materials are rather limited. Here multiple analytical methods were applied to systematically explore the morphology and materials. Several paintings were characterized using a morphological microscope. Scanning electron microscopy–energy dispersive spectrometry (SEM-EDS), X-ray fluorescence (XRF), and X-ray diffraction (XRD) detected emerald green and ultramarine in the paint layers. Gas chromatography–mass spectrometry (GC-MS) indicated that the binding medium in the first layer was composed of blood. Our study helps to comprehensively understand the preparation of the wooden construction paintings in the renowned Summer Palace and provide a scientific basis for its restoration and related archeology work.
Ma et al. (Tue,) studied this question.