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Heritage Science
Fig. 3 | Heritage Science

Fig. 3

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

Fig. 3

SEM and EDX imaging of W&N cadmium yellow paint all aged at 75% RH and on oil-primed substrate: a Secondary electron (SE) image of sample aged in elevated light conditions; b SE image of sample aged in near-dark conditions; c SE image of crystal on surface of sample aged in elevated light conditions; d–g false-coloured EDX elemental maps of image c, where red is C, green is O, cyan is S, and blue is Mg

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