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Low molecular weight organic acid salts, markers of old fungi activity in wall paintings

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Analytical Methods Vol - 8 Issue - 6

Analytical Methods Vol - 8 Issue - 5

Analytical Methods Vol -7

Analytical Methods Vol -6

Analytical Methods Vol -5

Analytical Methods Vol -4

Analytical Methods Vol -3

Analytical Methods Vol -2

Analytical Methods Vol -1

Low molecular weight organic acid salts, markers of old fungi activity in wall paintings

Content Provider	Royal Society of Chemistry (RSC)
Author	Font, Lídia Pradell, Trinitat Cinque, Gianfelice Butí, Salvador Juanhuix, Jordi Beltran, Victòria Senserrich, Rosa Salvadó, Nati
Copyright Year	2016
Abstract	Micro-Infrared Spectroscopy (μSR-FTIR) and X-ray diffraction (μSR-XRD) with synchrotron light, Gas Chromatography/Mass Spectrometry (CG/MS), Optical Microscopy (OM) and Scanning Electron Microscopy (SEM/EDS) were used to identify and obtain the distribution of complex mixtures of calcium salts of low molecular weight organic acids (LMWOA) in micro-layered micro-samples. Filamentous fungi produce LMWOA that can react with metal cations producing stable salts. These substances were found in the dark spots covering the surfaces of Saint Michael's Chapel wall paintings of the Royal Monastery of Pedralbes in Barcelona linking them to old fungi activity. The presence of glycerol likewise related to the fungi activity is also identified in the layers.
Starting Page	1637
Ending Page	1645
Page Count	9
File Format	HTM / HTML PDF
ISSN	17599660
Volume Number	8
Issue Number	7
Journal	Analytical Methods
DOI	10.1039/c5ay02656c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Calcium Barcelona Saint Michael in the Catholic Church Glycerol Scanning Electron Microscopy Scanning electron microscope X-ray crystallography Gas chromatography Fungus Pedralbes Circuit Michael Pedralbes LMWOA Optical Microscopy Synchrotron
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Engineering Chemical Engineering

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