Li-qin WANG, Yan-ni MA, Ya-xu ZHANG, Xing ZHAO, Qiu-ju HE, Jin-yi GUO, Han-ting REN. Pigment Identification of Sleeping Buddha at World Cultural Heritage Dazu Rock Carvings With μ-Raman Spectroscopy and Related Research[J]. Spectroscopy and Spectral Analysis, 2020, 40(10): 3199
- Spectroscopy and Spectral Analysis
- Vol. 40, Issue 10, 3199 (2020)
Fig. 1. Niche of Sakyamuni Eentering Nirvana at Dazu district, Chongqing(Sleeping Buddha)
Fig. 2. Raman spectra of the white priming coat material(sample 1#) (a ) and gypsum (b )
Fig. 3. Raman spectra of the blue pigment (sample 2#) (a ) and synthetic ultramarine blue/lazurite (b )
Fig. 4. PLM photos of the blue pigment (sample 2#)
(a): Plane-polarized light; (b): Crossed-polarized light
(a): Plane-polarized light; (b): Crossed-polarized light
Fig. 5. Raman spectra of the red pigment (sample 3#) (a ) and hematite (b )
Fig. 6. Raman spectra of the green pigment(sample 4#) (a ), lavendulan (b ) and barite (c )
Fig. 7. Raman spectra of the white pigment (sample 5#) (a ), cerussite (b ) and mimetesite (c )
Fig. 8. Photos of blue pigment with partial magnification (a) and mildew on the surfaces of Sleeping Buddha (b)
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Table 1. EDS results of the green pigment(sample 4#)(%)
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Table 2. EDS results of the white pigment (sample 5#)(%)
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