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Klimt artwork: red-pigment material investigation by backscattering Fe-57 Moessbauer spectroscopy, SEM and p-XRF
Authors: R. Lehmann, D. Wengerwsky, H.J. Scmidt, M. Kumar, A.A. Niebur, B.F.O. Costa, F. Dencker, G. Klingelhoefer, R. Sindelar
Ref.: Sci. Technol. Archaeol. Res. 3 (2), 450-455 (2017)
Abstract: Material tests were performed on a rediscovered Klimt-artwork “ Trompetender Putto ” . Weperformed studies on the red colored spots, mainly taken from non-restored parts. MIMOS IIFe-57 Mössbauer spectroscopy (novelty in art-pigment analysis) mainly reveals haematiteand crystallized goethite in red colors. Electron microscopy can identify various layers of theoriginal and overpainting of an artwork. The number of layers fluctuates between three andfour chemically painted areas. The portable X-ray fluorescence analysis enables to reduce thepigment list to containing mercury (cinnabar), lead, zinc, iron and titanium. Infrared-light-irradiation visualizes the different age of the pigments.
