Thermal analysis on parchments I: DSC and TGA combined approach for heat damage assessment

D. Fessas, M. Signorelli, A. Schiraldi, C.J. Kennedy, T.J. Wess, B. Hassel, Kurt Nielsen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Ancient, new and artificially aged parchments were investigated with both differential scanning calorimetry (DSC) and thermogravimetry (TGA). Criteria to define a quantitative ranking of the damage experienced by the bulk collagen of historical parchments were assessed. A damage-related correlation was found between the collagen denaturation temperature and the moisture content of the parchment. Qualitative rules for the evaluation of the damage at the nano-and mesoscopic level were achieved on the basis of peculiarities of the shape and width of the DSC signals and confirmed by small angle X-ray scattering patterns.
Original languageEnglish
JournalThermochimica Acta
Volume447
Issue number1
Pages (from-to)30-35
ISSN0040-6031
Publication statusPublished - 2006

Keywords

  • TGA
  • parchments
  • damage assessment
  • SAXS
  • DSC

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