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Synthesis and Raman study on needlelike silicates in ancient Chinese Pb‐Ba glass in Qin and Han dynasties
Author(s) -
Li Mo,
Wang Jie,
Wang Julin,
Ma Qinglin,
Zhang Zhiguo
Publication year - 2014
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.4534
Subject(s) - raman spectroscopy , raman microspectroscopy , barium , analytical chemistry (journal) , chemistry , mineralogy , silicate , inorganic chemistry , optics , environmental chemistry , physics , organic chemistry
Two ancient green Chinese Pb‐Ba glass (Qin and Han dynasties) were studied with Raman microspectroscopy, scanning electron microscopy, and energy dispersive X‐ray spectrometry. Some needlelike silicates were found in the samples and inferred as BaSiO 3 , BaSi 2 O 5 , and PbSiO 3 according to the results of energy dispersive X‐ray spectrometry analysis. Then BaSiO 3 , BaSi 2 O 5 , and PbSiO 3 were synthetized in laboratory in order to obtain their Raman spectra. Through comparative study, the needlelike silicates in the ancient Pb‐Ba glass samples were proved to be PbSiO 3 , BaSiO 3 , and Al 2 O 3 . According to the ternary phase diagram analysis, a mechanism of local element enrichment was put forward for the barium silicate needlelike silicates (by‐products) formation in the ancient Pb‐Ba glass. Copyright © 2014 John Wiley & Sons, Ltd.

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