Several approaches to the investigation of paintings with the use of portable X-ray fluorescence analysis

This paper deals with several approaches to the application of X-ray fluorescence analysis and micro-analysis to non-destructive investigations of paintings. The methodology is described and demonstrated on a painting of known structure that was painted with modern artistic tempera paints. There is...

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Bibliographic Details
Published in:Radiation physics and chemistry (Oxford, England : 1993) England : 1993), 2015-11, Vol.116, p.321-325
Main Authors: Trojek, T., Trojková, D.
Format: Article
Language:English
Subjects:
Information dissemination
Instrumentation
Microanalysis
Painted
Pigment
Spectra
Surface layer
X-ray fluorescence
X-ray fluorescence analysis
X-rays
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Summary:This paper deals with several approaches to the application of X-ray fluorescence analysis and micro-analysis to non-destructive investigations of paintings. The methodology is described and demonstrated on a painting of known structure that was painted with modern artistic tempera paints. There is also a description and a demonstration of three depth profiling techniques that provide information on the depth distribution of elements in the surface layers of a painting. The three techniques utilize (a) the internal X-ray ratios of the elements that are present, (b) X-ray fluorescence analysis with two detectors with different angles of detection of characteristic X-rays, and (c) a technique based on comparing X-ray spectra measured with a tilted sample. The capabilities and demands on instrumentation and interpretation of the results are compared for all these techniques. •An X-ray fluorescence device with an exchangeable X-ray source and 2 detectors is introduced.•The benefits of micro- and macro-XRF scanning of paintings are shown.•Three depth profiling techniques are described and demonstrated.
ISSN:0969-806X
1879-0895
DOI:10.1016/j.radphyschem.2015.01.002