http://www.cnr.it/ontology/cnr/individuo/prodotto/ID177162
Isotopic analysis for degradation diagnosis of calcite matrix in mortar (Articolo in rivista)
- Type
- Label
- Isotopic analysis for degradation diagnosis of calcite matrix in mortar (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1007/s00216-009-3135-8 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- E. Dotsika; D. Psomiadis; D. Poutoukis; B. Raco; P. Gamaletsos (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.springer.com/chemistry/analytical+chemistry/journal/216 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Institute of Materials Science, National Center for Scientific Research DEMOKRITOS,Neapoleos 27, Aghia Paraskevi,153 10 Athens, Greece
General Secretariat of Research and Technology, Mesogion 14-18, 11510 Athens, Greece
Institute of Geosciences and Earth Resources, Via G. Moruzzi 1, 56124 Pisa, Italy
Department of Geology, National Kapodistrian University of Athens, Athens, Greece (literal)
- Titolo
- Isotopic analysis for degradation diagnosis of calcite matrix in mortar (literal)
- Abstract
- Mortar that was used in building as well as in
conservation and restoration works of wall paintings have
been analysed isotopically (?13C and ?18O) in order to
evaluate the setting environments and secondary processes,
to distinguish the structural components used and to
determine the exact causes that incurred the degradation
phenomena. The material undergoes weathering and decay
on a large proportion of its surface and in depth, due to the
infiltration of water through the structural blocks. Mineralogical
analysis indicated signs of sulphation and dissolution/
recrystallisation processes taking place on the material,
whereas stable isotopes provided information relative to the
origin of the CO2 and water during calcite formation and
degradation processes. Isotopic change of the initial ?13C
and ?18O in carbonate matrix was caused by alteration of
the primary source of CO2 and H2O in mortar over time,
particularly by recrystallisation of calcite with porewater,
evaporated or re-condensed water, and CO2 from various
sources of atmospheric and biogenic origin. Human
influence (surface treatment) and biological growth (e.g.
fungus) are major exogenic processes which may alter ?18O
and ?13C in lime mortar. (literal)
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