Powder X-ray microdiffraction in research of wall painting damage by salts

Kotulanova, E.; Bezdička, Petr; Grygar, Tomáš Matys; Grunwaldova, S.V.; Hradil, David; Hradilová, Janka

doi:10.1107/s0108767306096255

Cited by 2 publications

(1 citation statement)

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“…Red lead (Pb 3 O 4 , Raman bands at 120, 148, 223, 312, 390 and 550 cm −1 ) appeared to be prevalent, and its presence was confirmed by both molecular and elemental analyses. Known since antiquity, it could belong to the original painting, though its features make it generally unsuitable for fresco paintings . Vermilion (HgS, Raman bands at 251, 283 and 342 cm −1 ) was also identified in many analysed points of the mural painting.…”

Section: Resultsmentioning

confidence: 99%

In‐situ and laboratory Raman analysis in the field of cultural heritage: the case of a mural painting

Veneranda

Irazola

Pitarch

et al. 2014

J Raman Spectroscopy

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The present work exemplifies, over a mural painting from the 14th century, the advantages of an initial exhaustive research using latest generation hand-held spectrometers (Raman mainly) in order to perform the characterization of valuable objects of cultural heritage. These in-situ techniques (meaning on-site and non-destructive) are very useful to study the pigments and materials, to identify the nature and causes of some of the main sources of deterioration and to examine past repaints. In addition, the in-situ measurements are of great importance in the selection of micro-samples for the laboratory analyses. In this particular case, the combination of these results with the chemical imaging analyses in the laboratory (such as Raman and energy dispersive X-ray spectrometry imaging) allowed the characterization of the mural painting, including, the identification of all restoration works applied in the past.

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Section: Resultsmentioning

confidence: 99%