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

Cesareo, Roberto and Brunetti, Antonio and Ridolfi, Stefano (2008) Pigment layers and precious metal sheets by energy-dispersive x-ray fluorescence analysis. X-Ray Spectrometry, Vol. 37 (4), p. 309-316. eISSN 1097-4539. Article.

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DOI: 10.1002/xrs.1078

Abstract

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 Sipán and from the Museum of Sicán.

Item Type:Article
ID Code:1796
Status:Published
Refereed:Yes
Uncontrolled Keywords:Energy-dispersive x-ray fluorescence (EDXRF), pigments, precious metal composition
Subjects:Area 02 - Scienze fisiche > FIS/07 Fisica applicata (a beni culturali, ambientali, biologia e medicina)
Divisions:001 Università di Sassari > 03 Istituti > Matematica e fisica
Publisher:Wiley
eISSN:1097-4539
Deposited On:18 Aug 2009 10:06

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