K-edge imaging is a technique used for mapping elements in hidden painting layers. It is generally applied using monochromatic (the synchrotron light) or quasi monochromatic sources. The aim of this study is the application of K-edge subtraction technique using common X-ray sources with appropriate K-edge filters that bracket the absorption edge of element to be detected in paints. In order to validate this method, samples of two elements are studied, niobium and cadmium. With the same samples a complementary analyses are performed with micro X-ray fluorescence spectrometry (XRF) and correlation between results will be presented and discussed.

K-edge filter subtraction technique used for mapping elemental distribution on paints

MUCOLLARI, Irena;CARDARELLI, Paolo;DI DOMENICO, Giovanni;MARZIANI, Michele;PECCENINI, Eva;PETRUCCI, Ferruccio Carlo;PUPILLO, Gaia;SISINI, Francesco;TAIBI, Angelo;TISATO, Flavia;GAMBACCINI, Mauro
2013

Abstract

K-edge imaging is a technique used for mapping elements in hidden painting layers. It is generally applied using monochromatic (the synchrotron light) or quasi monochromatic sources. The aim of this study is the application of K-edge subtraction technique using common X-ray sources with appropriate K-edge filters that bracket the absorption edge of element to be detected in paints. In order to validate this method, samples of two elements are studied, niobium and cadmium. With the same samples a complementary analyses are performed with micro X-ray fluorescence spectrometry (XRF) and correlation between results will be presented and discussed.
2013
radiografia differenziale al K-edge; cultural heritage; elemental mapping
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1885719
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus ND
  • ???jsp.display-item.citation.isi??? ND
social impact