 ISSN 0235-7216 ISSN 2424-4538 (online) |
2009 m. Nr. 2 Investigation of the technique of painting on a tin alloy plate
A detailed investigation of a rare painting, Madonna with Child, preserved at the Lithuanian National M. K. Čiurlionis Museum of Art has been performed. By combining the analytical methods, the pigments, binding media, components of varnish, the metal plate alloy were identified. By the FAAS method it has been determined that the painting support is made of a tin (92.75%) alloy containing a small amount of lead (5.22%). On the basis of FTIR and SEM / EDX analysis results, we determined the pigment and the binding medium of the painting ground and described the composition of the greenish brown and red paints. The lead white, cinnabar, azurite and smalt pigments were identified. The optical microscopic examination of painting cross-section showed that the reason for the viridescence and rustiness of the layer of blue paint, observed visually, is mainly the yellowing of the binder and varnish layers. The structure of the painting provided an important information on the technological features of painting on a tin alloy plate. Keywords: painting, metal support, pigment, FTIR, optical microscopy, SEM / EDX |
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