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Figure 12
Phase-contrast filtered white beam scan (peak X-ray energy: 25 keV) of historical Roman glass replica subject to artificial degradation. (a) Virtual section through the reconstructed volume image: alteration products on the glass surface are distinguishable from the glass bulk due to their different grey scale intensity. (b) 3D rendering of the sample. Voxel size: 0.65 µm. Number of projections: 4000. Exposure time: 20 ms. Scan time: 2 min. Sample courtesy of Dr Roberta Zanini and Dr Arianna Traviglia of the IIT Centre for Cultural Heritage Technology (Italy).

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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