Fig. 6From: Microscopic observations of paper and parchment: the archaeology of small objectsFTIR spectrum in KBr of a parchment sample from the Crypt.AET.7 manuscript. The inset reports one image collected under Raman microscope of the yellowish compound deposited on the surface of the parchment. The most important peaks related to the presence of saponins and castor oil, assigned in Table 1, are marked with asterisksBack to article page