Noninvasive monitoring of moisture uptake in Ca(NO3)2 -polluted calcareous stones by 1H-NMR relaxometry

Copyright © 2014 John Wiley & Sons, Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Magnetic resonance in chemistry : MRC. - 1985. - 53(2015), 1 vom: 26. Jan., Seite 15-21
1. Verfasser: Casieri, Cinzia (VerfasserIn)
Weitere Verfasser: Terenzi, Camilla, De Luca, Francesco
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Magnetic resonance in chemistry : MRC
Schlagworte:Journal Article Lecce stone calcareous stone cultural heritage testing hydration kinetics moisture adsorption nitrate pollution salt deliquescence single-sided NMR
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520 |a NMR transverse relaxation time (T(2)) distribution of (1)H nuclei of water has been used to monitor the moisture condensation kinetics in Ca(NO(3))(2)  · (4)H(2)O-polluted Lecce stone, a calcareous stone with highly regular porous structure often utilized as basic material in Baroque buildings. Polluted samples have been exposed to water vapor adsorption at controlled relative humidity to mimic environmental conditions. In presence of pollutants, the T(2) distributions of water in stone exhibit a range of relaxation time values and amplitudes not observed in the unpolluted case. These characteristics could be exploited for in situ noninvasive detection of salt pollution in Lecce stone or as damage precursors in architectural buildings of cultural heritage interest 
650 4 |a Journal Article 
650 4 |a Lecce stone 
650 4 |a calcareous stone 
650 4 |a cultural heritage testing 
650 4 |a hydration kinetics 
650 4 |a moisture adsorption 
650 4 |a nitrate pollution 
650 4 |a salt deliquescence 
650 4 |a single-sided NMR 
700 1 |a Terenzi, Camilla  |e verfasserin  |4 aut 
700 1 |a De Luca, Francesco  |e verfasserin  |4 aut 
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