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Heritage Science
Fig. 7 | Heritage Science

Fig. 7

From: Piet Mondrian’s Broadway Boogie Woogie: non invasive analysis using macro X-ray fluorescence mapping (MA-XRF) and multivariate curve resolution-alternating least square (MCR-ALS)

Fig. 7

a Overlaid elemental maps of Cd(K∝)—in yellow- and Se(K∝)—in red—and b representation of a possible earlier stage of the painting. The arrows indicate lines that have been partially scraped off, though the presence of residual cadmium can still be detected by XRF spot analysis

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