Fig. 4From: Barium, zinc and strontium yellows in late 19th–early 20th century oil paintingsInfrared (left) and Raman (right) spectra of the pigment reconstructions for W&N’s Lemon (BaCrO4), Citron (4ZnCrO4·K2O·3H2O) and Strontian (SrCrO4) YellowsBack to article page