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13 C solid‐state NMR complemented by ATR‐FTIR and micro‐DSC to study modern collagen‐based material and historical leather
Author(s) -
Proietti Noemi,
Di Tullio Valeria,
Carsote Cristina,
Badea Elena
Publication year - 2020
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.5024
Subject(s) - fourier transform infrared spectroscopy , differential scanning calorimetry , chemistry , nuclear magnetic resonance spectroscopy , solid state nuclear magnetic resonance , spectroscopy , tannin , polymer science , analytical chemistry (journal) , polymer chemistry , chemical engineering , organic chemistry , nuclear magnetic resonance , engineering , physics , thermodynamics , food science , quantum mechanics
Ancient vegetable tanned leathers and parchments are very complex materials in which both different manufacturing and deterioration processes make their study and chemical characterisation difficult. In this research, solid‐state nuclear magnetic resonance (NMR) spectroscopy was applied to identify different tannin families (condensed and hydrolysable) in historical leather objects such as bookbindings, wall upholsters, footwear and accessories, and military apparel. Furthermore, leather deterioration with special focus on collagen gelatinisation was investigated. A comparison with Fourier transform infrared (FTIR) spectroscopy and micro‐differential scanning calorimetry (micro‐DSC) was also performed to support the 13 C CP‐MAS NMR findings and to point out the advantages and limitations of solid‐state NMR in analysing historical and archaeological leathers. A wide database of NMR and FTIR spectra of commercial tannins compounds was also collected in order to characterise historical and archaeological leathers.

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