...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment >Study of the pigments elementary chemical composition of a painting in process of attribution to Gainsborough employing a portable X-rays fluorescence system
【24h】

Study of the pigments elementary chemical composition of a painting in process of attribution to Gainsborough employing a portable X-rays fluorescence system

机译：使用便携式X射线荧光系统研究归因于Gainsborough的过程中绘画的颜料基本化学成分

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The investigated painting, named as "The woodman" by its owners, is in process of authenticity verification as a Thomas Gainsborough (XVIII century) painting and is under investigation at the Laboratory of Conservation Science (LACICOR), CECOR/EBA/UFMG. The authentication process is still in course. The measurements were carried out in the place where the painting was on custody, with a portable X-rays fluorescence (XRF) system constituted of a X-rays tube with Ag anode, a Si-PIN diode detector, nuclear electronic chain and a specially designed mechanical system for the detector and X-rays tube positioning, that enables angular and XYZ movements of the excitation-detection system. The employed voltage and current intensity of the X-rays tube were 17 kV and 3 μA, respectively. The time of acquisition for each measurement was 500 s. XRF spectra were analyzed using the AXIL-WinQXAS software. Three measurements in each of the following regions of the painting were done: face, leaves, arm, sky and firewood. The carried out analysis indicated the following pigments: White (lead white and calcium sulfate, identified by the elements Pb, Ca and S), Blue (Prussian blue, identified by the key element Fe), Red (Vermilion, identified by the elements Hg and S) and Brown (mixture of Fe and Mn oxides, identified by the elements Fe and Mn). Elements belonging to modern pigments (after XVIII century) corresponding to the same colors were absent in the analyzed spectra.
机译：被调查的绘画被其所有者命名为“ The夫”，正在作为托马斯·盖恩斯伯勒（Thomas Gainsborough）（十八世纪）绘画进行真实性验证，并且正在CECOR / EBA / UFMG保护科学实验室（LACICOR）进行调查。身份验证过程仍在进行中。测量是在托管绘画的地方进行的，便携式X射线荧光（XRF）系统由带有Ag阳极的X射线管，Si-PIN二极管探测器，核电子链和专用的X射线组成。为探测器和X射线管定位设计的机械系统，它使激发探测系统能够进行角度和XYZ运动。 X射线管的使用电压和电流强度分别为17 kV和3μA。每次测量的采集时间为500 s。使用AXIL-WinQXAS软件分析XRF光谱。在画作的以下每个区域中进行了三个测量：面部，树叶，手臂，天空和木柴。进行的分析表明以下颜料：白色（铅白和硫酸钙，由元素Pb，Ca和S标识），蓝色（普鲁士蓝，由关键元素Fe标识），红色（朱红色，由Hg元素标识）和S）和布朗（Fe和Mn氧化物的混合物，由元素Fe和Mn标识）。在分析的光谱中没有对应于相同颜色的属于现代颜料（十八世纪以后）的元素。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号