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On the penetration depth of conservation treatments on cultural heritage stone materials
![]() A novel analytical approach based on SR-μTXRD has been used to study cultural heritage stone materials. The SR-μTXRD protocol can be successfully used to investigate the mineralogical composition and penetration depth of inorganic mineral treatment in stone matrixes with a high spatial resolution. Possenti E. et al., Anal. Methods, Vol. 12 - 12, pp. 1587-1594 (2020) |
The assessment of the penetration depth of conservation treatments applied to cultural heritage stone materials is an important issue in conservation science. To face this problem, a non-destructive approach is reported, based on synchrotron radiation μ X-ray diffraction in transmission geometry. The developed protocol is demonstrated for the case of the application of diammonium hydrogen phosphate (DAP) treatments on a porous carbonatic stone (Noto limestone). The method in general can be used to characterize the penetration depth of a crystalline phase “A” (or more phases) in a matrix “B”, permitting new diffusion studies for a wide range of materials, including other inorganic treatments applied to natural and artificial stone materials (e.g., frescos and wall paintings, mortars and plasters, ceramic |
materials and cements, and stuccoes), as well as to painted stratigraphies, metals, and glasses, and the diffusion of their decay products (e.g., soluble salts, crusts, deposits, corrosion products, and patinas).
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Synchrotron radiation μ X-ray diffraction in transmission geometry for investigating the penetration depth of conservation treatments on cultural heritage stone materials Possenti E., Conti C., Gatta G. Diego, Merlini M., Realini M., Colombo C. Anal. Methods, Vol. 12 - 12, pp. 1587-1594 (2020) DOI: 10.1039/D0AY00010H |