Fig. 6
From: A multi-analytical study of the palette of impressionist and post-impressionist Puerto Rican artists
Raman spectra of pigment particles found in CS1 and CS2. a cobalt green and lead white, b cobalt blue, all found in CS1; c lead white found in the ground of CS2, d viridian and e Emerald green, as two green pigments found in CS2; f ultramarine blue and g vermilion, both found in CS2. Pigments identification was undertaken using previously published spectra and online databases [39, 40]