Fig. 9: A thin layer with denser binder on top of the stucco is visible in the BSE image. | npj Heritage Science

Fig. 9: A thin layer with denser binder on top of the stucco is visible in the BSE image.

From: Baroque stucco techniques of Baldassarre Fontana at Kroměříž Château

Fig. 9: A thin layer with denser binder on top of the stucco is visible in the BSE image.The alternative text for this image may have been generated using AI.

The EDS map shows several limewashes. The first three application layers form the first limewash coating. Successive lime coatings are detached and cracked. Sample STK 3 (A). A thin layer with denser binder on top of the stucco visible in BSE image. Successive limewashes are detached from the first coating. The EDS map shows the presence of a zinc-oxide paint layer on top of a layer of deposits containing mainly silicates. Sample STK 4 (B). Two thin layers with denser binder present in the stucco. Differences in morphology between the first and the successive coatings. The EDS map shows the presence of zinc oxide and aluminosilicates in the upper layers. Sample STK 20 C (C). EDS map showing Si-rich deposits in the gap between mortar and limewash. Sample STK 12 (D).

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