Fig. 4From: Material characterisation of a painted beehive panel by advanced spectroscopic and chromatographic techniques in combination with hyperspectral imaginga Raman spectrum at location R11, Fig. 1a, identifying ultramarine based on its characteristic band placed at 547 cm−1 (λ0 = 785 nm). b A reflection FTIR spectrum obtained at A2 (Fig. 1a), identifying vibrations characteristic for Prussian blue, glycerolipids and plant terpenoid resinBack to article page