Application of a Portable XRF Spectrometer for <i>In-Situ</i>and Nondestructive Investigation of Pigments in Two 15th Century Icons

• 作者: Eglantina Merkaj Nikolla Civici
• 来源期刊: 应用科学(英文)
• 学科: 数学
• 关键词: Portable X-Ray Fluorescence (XRF) Spectrometer Pigment Analysis Icons Albanian Icons Berat Albania
• 年，卷（期）: 2020,（6）
• 页码范围: 305-317
• 页数: 13页
• 分类号: O17

摘要

<span style="font-family:Verdana;">A simple </span><span style="font-family:Verdana;">portable X-Ray Fluorescence (</span><span style="font-family:;" "=""><span style="font-family:Verdana;">XRF) spectrometer was successfully used for </span><i><span style="font-family:Verdana;">in-situ</span></i><span style="font-family:Verdana;"> and nondestructive identification of the painting materials in two 15</span>^{<span style="font-family:Verdana;">th</span>}<span style="font-family:Verdana;"> century icons from the Onufri Museum in Beart, Albania. </span></span><span style="font-family:Verdana;">The spectrometer is based on a low power X-ray tube, a thermoelectrically cooled Si PIN detector and the spectrum acquisition system. It was assembled and adjusted at our laboratory for the investigation of the icons. </span><span style="font-family:Verdana;">A small number of pigments were clearly identified by </span><span style="font-family:Verdana;">X-Ray Fluorescence (</span><span style="font-family:Verdana;">XRF) measurements in both icons. This include</span><span style="font-family:Verdana;">s</span><span style="font-family:;" "=""><span style="font-family:Verdana;"> Lead white for the white color, gold and yellow ochre for the yellow color, red lead, cinnabar and red ochre for the red color, as well as cooper based pigments for the green color. At the same time, the investigation raised some new questions that need further investigations by </span><span style="font-family:Verdana;">the use of additional analytical techniques. The results show that in both</span><span style="font-family:Verdana;"> icons are used similar pigments, which are in accordance with the Byzantine icon painting tradition.</span></span>