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Evaluation des Capacités de la Microscopie Raman dans la Caractérisation Minéralogique et physicochimique de Matériaux Archéologiques : Métaux, Vitraux & Pigments.

Abstract : This study is based on the evaluation of the capacity of non-destructive physico-chemical analysis by Raman Microscopy in three artistic and archaeological
domains : metal corrosion, stained-glass and Prehistoric pigments. The study presents
different levels of results depending on the field of application. In relation to Prehistoric pigments the results show clearly the capacity of distinguishing in black pigments, manganese oxide from amorphous carbon, or, the facility of identification of hematite in red pigments. Concerning the study of the corrosion products of metals, RM is indubitably an ideal technique for the identification and differentiation of the diverse alteration products observed on archæological metallic material (sulphates, chlorides,
oxides...). Finally, in the case of stained-glass, the positive results obtained in the study of the glass itself or in the study of the superficial coloration is counterbalanced by the complexity of identification of glass coloration due to metallic colloid particles, or by
the fluorescent problem particularly important in this last application. However, the global result is clearly optimistic and demonstrate the utility of such a non-destructive technique for archæologists, restorers or conservators.
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https://tel.archives-ouvertes.fr/tel-00131055
Contributor : Michel Bouchard <>
Submitted on : Wednesday, February 14, 2007 - 11:47:49 PM
Last modification on : Wednesday, May 15, 2019 - 3:35:39 AM
Document(s) archivé(s) le : Tuesday, April 6, 2010 - 9:07:40 PM

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  • HAL Id : tel-00131055, version 1

Citation

Michel Bouchard. Evaluation des Capacités de la Microscopie Raman dans la Caractérisation Minéralogique et physicochimique de Matériaux Archéologiques : Métaux, Vitraux & Pigments.. Matériaux. Museum national d'histoire naturelle - MNHN PARIS, 2001. Français. ⟨tel-00131055⟩

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