Comparative analysis of wucai Chinese porcelains using mobile and fixed Raman microspectrometers
Comparative analysis of wucai Chinese porcelains using mobile and fixed Raman microspectrometers
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DOI：
10.1016/j.ceramint.2017.07.172
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发表时间：
2017-11-01
影响因子：
5.2
通讯作者：
Choi, Chung-Lit
中科院分区：
文献类型：
--
作者：
Colomban, Philippe;Ambrosi, Florian;Choi, Chung-Lit
本文用光学显微镜、能谱扫描电镜和拉曼显微光谱仪对三种具有代表性的五彩瓷片和江西、雍正、乾隆时期的珐琅器进行了研究，以确定釉、胎和珐琅中的非晶相和晶相。一个比较与便携式拉曼设置与532和785 nm的激光器激发，并配备了先进的光学收集的信息。重点是颜料和遮光剂的检测，特别是蓝色区域的砷基相，与来自欧洲或中国的钴矿的使用有关。移动的拉曼装置用绿色激光激发，并配备有高放大率（x200）超长工作距离显微镜物镜，允许识别所有相，如用蓝色457 nm激光线激发的固定仪器。通过SEM-EDS确认所识别的相。旧的技术进行了讨论，并比较那些用于生产18世纪世纪法国软膏瓷器和利莫日搪瓷。
Three porcelain shards representative of wucai (Famille verte, Famine rose and fencai), enamelled wares from Kiangxi, Yongzheng and Qianlong reigns have been studied using fixed instruments (optical microscope, EDS-SEM and Raman microspectrometer) in order to identify the amorphous and crystalline phases in the glaze, body and the different enamels. A comparison is made between the information collected with portable Raman set-ups excited with 532 and 785 nm lasers and equipped of sophisticated optics. Emphasis is put on the detection of pigments and opacifiers, in particular arsenic -based phases in blue coloured areas, in relation with the use of cobalt ores originated from European or China. The mobile Raman set-up excited with green laser and equipped with a high magnification (x200) ultra long working distance microscope objective allows the identification of all the phases, as for the fixed instrument excited with blue 457 nm laser line. Confirmation of the identified phases is made by SEM-EDS. The old technologies are discussed and compared to those used to produce 18th century French soft paste porcelains and Limoges enamels.