Pigment layers and precious metal sheets by energy-dispersive x-ray fluorescence analysis

被引：55
|
作者：
Cesareo, Roberto [1 ]
Brunetti, Antonio [1 ]
Ridolfi, Stefano [2 ]
机构：
[1] Univ Sassari, Ist Matemat & Fis, I-07100 Sassari, Italy
[2] Ars Mensurae, Rome, Italy
来源：
X-RAY SPECTROMETRY | 2008年 / 37卷 / 04期
关键词：
Energy dispersive spectroscopy - Fluorescence - Precious metals;
D O I：
10.1002/xrs.1078
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
A portable energy-dispersive x-ray fluorescence (EDXRF) equipment was used to measure pigments and precious metal composition. From the x-ray spectra it was also possible to assign each pigment to the correct pigment layer, and in the case of metal sheets (e.g. gildings) to identify the correct layer distribution. Several methods have also been developed to determine the thickness of pigment layers and metal sheets. They were specifically applied to measure gold thickness in Giotto's halos in the Chapel of the Scrovegni in Padua, and in gilded copper objects from the Royal Tombs of Sipan and from the Museum of Sican. Copyright (C) 2008 John Wiley & Sons, Ltd.
引用
收藏
页码：309 / 316
页数：8
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