Fragments from works of art made of scagliola, a material typical of northern Italy imitating marble, were investigated. Thefragments are representative of art objects that were once widespread in the region centred on the town of Carpi. Vibrationalspectroscopic techniques were applied in order to identify the pigments used to tint the gypsum paste; in particular, Ramanmicroscopy was used for the identification of pigment particles. Pyrolysis gas chromatography combined with mass spectroscopy wasused to identify binding media. Several documents were examined, both ancient and recent, preserved in local archives, describingthe pigments and dyes and the techniques used in the preparation of scagliola. The information provided in these documents wascompared to results obtained from scientific analysis.
A scientific and historical investigation on Italian scagliola / Baraldi, Pietro; L., Cannalire; M. P., Colombini. - In: STUDIES IN CONSERVATION. - ISSN 0039-3630. - STAMPA. - 54:1(2009), pp. 23-34. [10.1179/sic.2009.54.1.23]
A scientific and historical investigation on Italian scagliola
BARALDI, Pietro;
2009
Abstract
Fragments from works of art made of scagliola, a material typical of northern Italy imitating marble, were investigated. Thefragments are representative of art objects that were once widespread in the region centred on the town of Carpi. Vibrationalspectroscopic techniques were applied in order to identify the pigments used to tint the gypsum paste; in particular, Ramanmicroscopy was used for the identification of pigment particles. Pyrolysis gas chromatography combined with mass spectroscopy wasused to identify binding media. Several documents were examined, both ancient and recent, preserved in local archives, describingthe pigments and dyes and the techniques used in the preparation of scagliola. The information provided in these documents wascompared to results obtained from scientific analysis.
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