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Rebecca and Eliezer at the well a mysterious oil painting from the Historical Museum of the Slovak National Museum at the Bratislava Castle
Hradilová, J. ; Kližanová, H. ; Bezák, M. ; Holcová, K. ; Bezdička, Petr
Light microscopy, scanning electron microscopy and microanalysis, X-ray powder micro-diffraction, infrared micro-spectrometry as well as palaeontological analysis have been applied in order to solve the question of provenance of the oil-on-canvas painting Rebecca and Eliezer at the well. In addition to the finding of pigments important for the dating of the painting, as, e.g. Naples yellow (Pb2Sb2O7), or smalt, fossil nannoplankton was described in the carbonate-rich clay ground. It indicates the use of marine sediments of Eocene to Oligocene age. According to mineralogical and paleontological data this ground may be included among grounds used in Italy, particularly in the 17th century. The studied painting is today greatly altered due to extensive reworkings. Prussian blue was used to overpaint faded ultramarine and degraded smalt, which is visibly affected by saponification processes.
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Restauration of the modern and contemporary art. Final report of the grant project in the field of the protection of movable cultural heritage stored in museums and galleries
Konvalinková, D. ; Hradilová, J. ; Hradil, David ; Šácha, P. ; Casadiego, B. ; Novotná, M. ; Denderová, M. ; Vernerová, I. ; Vojtíšková, M. ; Joudová, T. ; Hřebíčková, B. ; Popová, T. ; Helfertová, L. ; Michálková, J.
In relatively wide range, paintings of the modern authors - namely Edvard Munch and František Kupka wereinvestigated. The effective combination of the evalution by restorers and the materials research of the colour layers bring a very complex view on electron microscopy is used to analyse these less than one millimetre thick fragments of paintinds moulded in polyester resin and polished in cross-sections.
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