Journal
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
Volume 409, Issue 13, Pages 3281-3288Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-017-0296-8
Keywords
Reflection infrared spectroscopy; Mid-FTIR; Organic materials; Stringed musical instruments; Violins; Varnishes
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The analysis of historical musical instruments is becoming more relevant and the interest is increasingly moving toward the non-invasive reflection FTIR spectroscopy, especially for the analysis of varnishes. In this work, a specific infrared reflectance spectral library of organic compounds was created with the aim of identifying musical instrument materials in a totally non-invasive way. The analyses were carried out on pure organic compounds, as bulk samples and laboratory wooden models, to evaluate the diagnostic reflection mid-infrared (MIR) bands of proteins, polysaccharides, lipids, and resins by comparing reflection spectra before and after the KK correction. This methodological approach was applied to real case studies represented by four Stradivari violins and a Neapolitan mandolin.
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