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hal.structure.identifierLaboratoire d'Etude des Matériaux en Milieux Agressifs [LEMMA]
hal.structure.identifierCentre de Recherche pour la Conservation des Collections [CRCC]
dc.contributor.authorBURGAUD, C.
hal.structure.identifierCentre de Recherche pour la Conservation des Collections [CRCC]
dc.contributor.authorROUCHON, Véronique
hal.structure.identifierLaboratoire d'Etude des Matériaux en Milieux Agressifs [LEMMA]
dc.contributor.authorREFAIT, Philippe
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorWATTIAUX, Alain
dc.date.issued2008
dc.identifier.issn0947-8396
dc.description.abstractEnIron gall inks consist of a mixture of vitriol, gall nut extracts and gum arabic. The association of the iron(II) sulphate present in vitriols, and the carboxyphenolic acids present in gall nut extracts leads to the formation of dark coloured iron-based precipitates. In order to evaluate the percentage of iron used in the formation of these precipitates, transmission Mössbauer spectroscopy (MS) measurements were performed on laboratory made inks at room temperature. These were completed by X-ray diffraction (XRD), and Raman spectroscopy measurements. The samples consisted of several solutions of iron(II) sulphate, gallic acid and gum arabic. After evaporation, the residues were analysed. Up to eight different Mössbauer signatures were detected, most of them correlated to iron sulphates. The Mössbauer signature of the iron gall precipitate was also isolated. It is not distinctly defined and may overlap with the signatures of iron(III) hydroxy-sulphates, such as jarosite or copiapite. Raman spectrometry then proved to be a useful complementary technique for the identification of the precipitate.
dc.language.isoen
dc.publisherSpringer Verlag
dc.subject.enSolid-phase precipitation
dc.subject.enCorrosion protection
dc.subject.enMössbauer spectroscopy
dc.title.enMössbauer spectrometry applied to the study of laboratory samples made of iron gall ink
dc.typeArticle de revue
dc.identifier.doi10.1007/s00339-008-4503-5
dc.subject.halChimie/Matériaux
dc.subject.halChimie/Chimie analytique
bordeaux.journalApplied physics. A, Materials science & processing
bordeaux.page257-262
bordeaux.volume92
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-00295158
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00295158v1
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