http://www.cnr.it/ontology/cnr/individuo/prodotto/ID48501
On the Use of Overtone and Combination Bands for the Analysis of the CaSO4-H2O System by Mid-Infrared Reflection Spectroscopy (Articolo in rivista)
- Type
- Label
- On the Use of Overtone and Combination Bands for the Analysis of the CaSO4-H2O System by Mid-Infrared Reflection Spectroscopy (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Alternative label
Rosi, F.; Daveri, A.; Doherty, B.; Nazzareni, S.; Brunetti, B. G.; Sgamellotti, A.; Miliani, C. (2010)
On the Use of Overtone and Combination Bands for the Analysis of the CaSO4-H2O System by Mid-Infrared Reflection Spectroscopy
in Applied spectroscopy
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Rosi, F.; Daveri, A.; Doherty, B.; Nazzareni, S.; Brunetti, B. G.; Sgamellotti, A.; Miliani, C. (literal)
- Pagina inizio
- Pagina fine
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- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- [Rosi, Francesca; Daveri, Alessia; Doherty, Brenda; Brunetti, Brunetto G.; Sgamellotti, Antonio; Miliani, Costanza] SMAArt, Dipartimento Chim, I-06123 Perugia, Italy.
[Rosi, Francesca; Brunetti, Brunetto G.; Sgamellotti, Antonio] INSTM, Operat Unit Perugia, Dipartimento Chim, I-06123 Perugia, Italy.
[Brunetti, Brunetto G.; Sgamellotti, Antonio; Miliani, Costanza] CNR ISTM Ist CNR Sci & Tecnol Mol, Dipartimento Chim, I-06123 Perugia, Italy.
Dipartimento Sci Terra, I-06100 Perugia, Italy. (literal)
- Titolo
- On the Use of Overtone and Combination Bands for the Analysis of the CaSO4-H2O System by Mid-Infrared Reflection Spectroscopy (literal)
- Abstract
- With the aim of characterizing ground preparations of paintings by
infrared reflection spectroscopy, the CaSO4-H2O system
(gypsum/bassanite/anhydrite) has been re-investigated, evaluating and
assigning the SO42- and OH overtone and combination bands,
respectively, in the ranges 1900-2700 cm(-1) and 5000-6000 cm(-1)
resulting from reflection and high concentration transmission spectra.
The second-order modes have been proven to be highly specific,
reliable, and less affected by overlap with bands of organic binders
and can hence be exploited for the identification of the sulfate
hydration phase using infrared (IR) reflection spectroscopy.
Subsequently, the characterization and identification of hydration
phases in unknown sulfate-based ground preparations on authentic
artworks have been carried out noninvasively by fiber-optic reflection
IR spectroscopy and on cross-sections by infrared reflection
micro-spectroscopy. The spectroscopic data collected both on standards
and artworks have been cross-validated by X-ray diffraction. (literal)
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