期刊
JOURNAL OF ARCHAEOLOGICAL SCIENCE
卷 49, 期 -, 页码 500-509出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jas.2014.05.035
关键词
Barium copper silicate; Chinese Blue; Chinese Purple; Dark blue particle BaCu2Si2O7; Raman microscopy; Polarized light microscopy; Qin Empire
资金
- Cultural Heritage Conservation SciTech Program of SACH [20050113, 20080216]
Ancient.Chinese objects dating from the Warring States period (475-221 BC) to the Han dynasty (206BC-220AD), including faience beads, wall paintings, polychrome decoration on pottery, stone and bronze objects, were studied using Raman microscopy and polarized light microscopy (PLM). Chinese Blue (BaCuSi4O10) and Chinese Purple (BaCuSi2O6) were identified, and additionally dark blue particles of a new pigment BaCu2Si2O7 were also detected in purple decoration. Based on PLM observation, Chinese Blue, Chinese Purple and BaCu2Si2O7 frequently coexist in single polychrome samples and cannot be individually identified using other analytical methods because of the minute amount that these chemicals present: sometimes comprising just one or two particles. The use of Raman spectroscopy can identify such small presences. This paper illustrates the man-made barium copper silicate pigments along the Qin historical development and shows the advantage of PLM combined with Raman spectroscopy to analyses pigments giving us an overall picture of the dates and the places where barium copper silicate pigments were used in ancient China. Their origin, decline and manufacturing techniques are also discussed. (C) 2014 Elsevier Ltd. All rights reserved.
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