Gas chromatography/mass spectrometry characterization of historical varnishes of ancient Italian lutes and violin [An article from: Analytica Chimica Acta]

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Description:
The organic constituents of historical vanishes from two ancient Italian lutes and a Stradivari violin, kept in the Musee de la musique in Paris, have been characterized using gas chromatography-mass spectrometry. Results have been compared with the chromatograms and mass spectra of recent as well as old naturally aged reference materials. The three historical varnishes analyzed have been shown to be oil varnishes, probably mixtures of linseed oil with resins. Identification of diterpenoids and triterpenoids compounds, and of the resins that may have been ingredients of the varnishes, are discussed in this paper.