A preliminary study on Fe valence of porcelain glaze by XAFS

ZHANG Maolin1; 2 WANG Changsui 3 JIN Pujun4 WEI Shiqiang5 XU Wei6 CHEN Dongliang6 WU Ziyu6 1

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A preliminary study on Fe valence of porcelain glaze by XAFS

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- A preliminary study on Fe valence of porcelain glaze by XAFS
- NUCLEAR TECHNIQUES Issue 9, (2008)
- 作者机构：
  
  1. 景德镇陶瓷学院古陶瓷研究所
  2. 中国科学院研究生院科技史与科技考古系
  3. 陕西师范大学陕西历史文化遗产保护科学研究中心
  4. 中国科学技术大学国家同步辐射实验室
  5. 中国科学院高能物理研究所同步辐射实验室
- 作者简介：
- 基金信息：
  
  中国科学院知识创新工程项目(KJCX3.SYW.N12)资助
- DOI：
  CLC： K854
- Published：01 September 2008
- 稿件说明：
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[1]张茂林,王昌燧,金普军,韦世强,徐伟,陈栋梁,吴自玉.用XAFS初探汝瓷釉中Fe的价态[J].核技术,2008(09):648-652.

ZHANG Maolin1, 2 WANG Changsui 3 JIN Pujun4 WEI Shiqiang5 XU Wei6 CHEN Dongliang6 WU Ziyu6 1. A preliminary study on Fe valence of porcelain glaze by XAFS[J]. Nuclear techniques, 2008, (9): 648-652.
[1]张茂林,王昌燧,金普军,韦世强,徐伟,陈栋梁,吴自玉.用XAFS初探汝瓷釉中Fe的价态[J].核技术,2008(09):648-652. DOI：

ZHANG Maolin1, 2 WANG Changsui 3 JIN Pujun4 WEI Shiqiang5 XU Wei6 CHEN Dongliang6 WU Ziyu6 1. A preliminary study on Fe valence of porcelain glaze by XAFS[J]. Nuclear techniques, 2008, (9): 648-652. DOI：

摘要

汝瓷是我国宋代著名的青瓷品种

其瓷釉结构分析一直是古陶瓷科技研究中的难点。本工作测试了宝丰清凉寺出土汝瓷釉中Fe元素的X射线吸收精细结构谱（XAFS）

在数据分析中采用主因子分析法结合线性叠加拟合法分析了古汝瓷釉中Fe的价态比例

利用色差计分析了样品的主波长

结果表明

瓷釉中Fe2+/Fe3+大

则釉色偏青

反之则偏黄。本工作也表明了X射线吸收精细结构谱非常适合用于古陶瓷无损结构分析。

Abstract

Ru ware was a famous celadon in Song dynasty

whose structure analysis of glaze had always been a difficulty in scientifically analysis of ancient porcelains. The X-ray absorption fine structure spectrum (XAFS) of Fe element in glaze of Ru ware excavated in Qingliang temple was obtained. Fe valence state in porcelain glaze samples was studied by Principle Component Analysis (PCA) along with linear combination fitting method. The main wavelength of the samples was also obtained by colorimeter. The results show that the cyan glaze samples have great Fe2+ /Fe3+

while the yellow glaze samples have small Fe2+ /Fe3+ . The work also showed that X-ray absorption fine structure spectrum was very suitable in nondestructive analysis of ancient ceramics.

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