Fig. 5From: A multi-analytical study of historical coated plaster surfaces: the examination of a nineteenth-century V&A cast of a tombstoneSample 1. Fibres of different colours are visible in the micrographs taken with Spotlight 400 FT-IR microscope (a). ATR-FT-IR analysis of the dust, baseline and Kubelka–Munk correction applied (b)Back to article page
