Article (Scientific journals)
A remote controlled XRF system for field analysis of cultural heritage objects
Hocquet, François-Philippe; Garnir, Henri-Pierre; Marchal, André et al.
2008In X-Ray Spectrometry, 37 (4), p. 304-308
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Keywords :
XRF; archaeometry; portable
Abstract :
[en] X-ray fluorescence (XRF) is a nondestructive, multielemental, fast and cost-effective analysis technique. It can be applied in a nonvacuum environment directly on the samples without any preparation. As archaeological and historical objects are often unique and may not be easily movable, a mobile XRF detector system allowing in situ analysis is ideally suited for archaeometric applications. A mobile system was designed and built at the IPNAS laboratory to provide such analyses. The system includes an industrial grade x-ray generator which supplies the primary x-ray beam, an air-cooled silicon rift Detector detector (SDD) with a 5-mm(2) active area. The data acquisition system measures the energy and the intensity of the secondary fluorescence x-rays. The detector signal is amplified and analyzed by a multichannel recorder coupled to a microcomputer running JavaSpectre which visualizes and analyzes spectra obtained from the detector. The detection head, containing the detector, the x-ray tube and its power supply, are fixed on a movable platform allowing independent vertical and horizontal movement. All displacements are controlled by a hand-held personal digital assistant (PDA) (Palm) which exchanges data with microcontrollers embedded in the system providing a very precise positioning of the detector over a surface of many square meters. This system control, as well as a typical application of this XRF spectrometer for analyzing pigment composition of a wall painting, will be described. Copyright (C) 2008 John Wiley & Sons, Ltd.
Research center :
CEA - Centre Européen en Archéométrie - ULiège
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Art & art history
Author, co-author :
Hocquet, François-Philippe ;  Université de Liège - ULiège > Centre européen en archéométrie - Physique nucléaire, atomique et spectroscopie
Garnir, Henri-Pierre ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Marchal, André ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Clar, Mathieu ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Oger, Cécile ;  Université de Liège - ULiège > CARE "Le Réseau des bibliothèques" > Bibliothèque générale de Philosophie et Lettres
Strivay, David  ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Language :
English
Title :
A remote controlled XRF system for field analysis of cultural heritage objects
Publication date :
2008
Journal title :
X-Ray Spectrometry
ISSN :
0049-8246
eISSN :
1097-4539
Publisher :
John Wiley & Sons, Hoboken, United States - New Jersey
Volume :
37
Issue :
4
Pages :
304-308
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
NACHO
Funders :
PAI
ULiège - Université de Liège [BE]
IISN - Institut interuniversitaire des sciences nucléaires [BE]
Available on ORBi :
since 10 March 2010

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