Journal
X-RAY SPECTROMETRY
Volume 38, Issue 5, Pages 446-450Publisher
WILEY
DOI: 10.1002/xrs.1163
Keywords
micro-XRF; 3D-XRF; GE-XRF; ED-XRF; depth analysis
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Funding
- PRESTO JST (Precursory Research for Embryonic Science and Technology, Japan Science and Technology Agency)
- JST, Innovation Plaza Osaka project
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We have applied recently two XRF (micro x-ray fluorescence) methods [micro-Grazing Exit XRF (GE-XRF) and confocal 3D-XRF] to Japanese lacquerware 'Tamamushi-nuri.' A laboratory grazing-exit XRF (GE-XRF) instrument was developed in combination with a micro-XRF setup. A micro x-ray beam was produced by a single capillary and a pinhole aperture. Elemental x-ray images (2D images) obtained at different analyzing depths by micro GE-XRF have been reported. However, it was difficult to directly obtain depth-selective x-ray spectra and 2D images. A 3D XRF instrument using two independent polycapillary x-ray lenses and two x-ray sources (Cr and Mo targets) was also applied to the same sample. 2D XRF images of a Japanese lacquerware showed specific distributions of elements at the different depths, indicating that 'Tamamushi-nuri' lacquerware has a layered structure. The merits and disadvantages of both the micro GE-XRF and confocal micro XRF methods are discussed. Copyright (C) 2009 John Wiley & Sons, Ltd.
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