A study for the characterization of binding media from medieval polychrome sculptures by gas chromatography-mass spectrometry |
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| Authors: | A Casoli P C Musini G Palla |
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| Institution: | (1) Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi, Viale delle Scienze, 43100 Parma, Italy;(2) Dipartimento di Chimica Organica e Industriale, Università degli Studi, Viale delle Scienze, 43100 Parma, Italy |
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| Abstract: | Summary Binding media in samples taken from XIIth–XIIIth century polychrome sculptures in the Baptistery of Parma (Italy) were characterized by gas chromatography-mass spectrometry, after hydrolysis and derivatization procedures. The use of SE-52 capillary columns and the application of selected ion monitoring (SIM) allowed an increasing in the sensitivity and the ability to differentiate between animal glues, casein, egg and drying oils as components of the binders of paint and ground layers. Small amounts of material were enough for a satisfactory characterization. |
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| Keywords: | Gas chromatography-mass spectrometry Amino acids Fatty acids Binding media Polychrome sculpture |
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