Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11440
Title: Studies of wall painting fragments from Kaiping Diaolou by SEM/EDX, micro Raman and FT-IR spectroscopy
Authors: Zeng, QG
Zhang, GX
Leung, CW 
Zuo, J
Keywords: Micro FT-IR
Micro Raman
Pigment analysis
SEM/EDX
Issue Date: 2010
Publisher: Elsevier Science Bv
Source: Microchemical journal, 2010, v. 96, no. 2, p. 330-336 How to cite?
Journal: Microchemical Journal 
Abstract: The multi-technique analytical approach has proved to be a very effective tool for the analysis of artwork, as demonstrated by various studies. In this work, four micro-analysis methods were used to analyze the wall painting fragments in Kaiping Diaolou, a world cultural heritage enlisted in 2007. Field-emission scanning electron microscopy (FE-SEM), energy dispersive X-ray micro-analysis (EDX), combined with micro Raman and Fourier transform infrared (FT-IR) spectroscopy, provided a vast amount of information concerning the raw materials present in the pigments, organic binder, plasters and mortars of the wall painting. Four types of pigments (goethite, lazurite, chromium green and calcite) were identified on the surface layer of the wall paintings. The substrate under the pigment layer was found to be composed of cubic-like calcite (CaCO 3), micro-rod bundle-shaped syngenite (K 2Ca(SO 4) 2·H 2O), gypsum (CaSO 4·2H 2O) and silica (SiO 2). The organic binder can be attributed to animal glue (such as egg) and drying oil by micro FT-IR spectroscopy. These analysis results can provide important information for the conservation and restoration of the Kaiping Diaolou.
URI: http://hdl.handle.net/10397/11440
DOI: 10.1016/j.microc.2010.05.013
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