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Fig. 5 | Heritage Science

Fig. 5

From: Foundations of a great metaphysical style”: unraveling Giorgio de Chirico’s early palette

Fig. 5

SEM–EDX map showing barium (red), zinc (green) and sulfur (blue) of cross section samples of A Hector and Andromache (dated 1918, painted mid 1940s) and B Melancholia (dated 1916, painted c. 1944–45). The ground of Hector and Andromache likely contains lithopone, a mixture of BaSO4 and ZnS; the Zn/Ba atomic ratio is 1:1. The ground of Melancholia is mostly zinc white, with only scattered particles of barium sulfate; the Zn/Ba atomic ratio is 6.87/0.08

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