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Fig. 8 | Heritage Science

Fig. 8

From: The influence of light and relative humidity on the formation of epsomite in cadmium yellow and French ultramarine modern oil paints

Fig. 8

SEM and EDX imaging of W&N French ultramarine paint aged at 75% RH, in elevated light conditions: a SE image on oil-primed canvas; b SE image on acrylic-primed canvas; c SE image of crystal on surface on acrylic-primed surface; dg false-coloured EDX elemental maps of image c whereby green is O, cyan is S, blue is Mg, and magenta is Na

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