Fig. 4From: Odilon Redon’s noir drawings: characterization of materials and methods using noninvasive imaging and spectroscopiesMA-XRF distribution maps of Ca-K, Fe-K, Cr-K, Hg-L, Pb-L, and Zn-K in Head within an Aureole. Scan parameters: 450 μm spot size, 420 μm step size, 8 ms dwell time 52.4 × 37.2 cm area imagedBack to article page