Fig. 6From: Barium, zinc and strontium yellows in late 19th–early 20th century oil paintings a Infrared spectra (inset between 1000 and 750 cm−1) and b diffraction patterns (matched with BaCrO4 ICDD card 00-078-1401) of a late 19th century W&N “Lemon Yellow” oil paint tube compared with a LY1a pigment reconstruction; ( ) BaCrO4, (●) MgCO3·H2OBack to article page