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Fig. 5 | Heritage Science

Fig. 5

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. 5

Image (under normal light and UV), X-radiography, and elemental maps obtained by PyMCA/Datamuncher and based on the MA-XRF data for the top left corner of the painting. The map shows for example that the yellow rectangle (circled in red) was painted using two different yellow paints with the same tonality but different chemical composition

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