Coteau's jewelled porcelain, a summit of ceramic art: An on-site Raman and pXRF study - De la Molécule aux Nanos-objets : Réactivité, Interactions et Spectroscopies Accéder directement au contenu
Poster De Conférence Année : 2022

Coteau's jewelled porcelain, a summit of ceramic art: An on-site Raman and pXRF study

Résumé

Gilt-decorated porcelains of Joseph Coteau and Philippe Parpette, unifying metal and ceramic enamel techniques, had been produced from ~1770 to 1800 but this production was rare and poorly documented [1,2]. Enamelled decorations of these artefacts display gold foils (paillon in French) coated with lead-based transparent and opaque enamels fired on the porcelain glaze. Rare items were being produced at different factories (Sèvres Royal Factory, Duc d’Artois Factory) and it is reported that some copies were made during the 19th century. This study presents the first (non-destructive) Raman and pXRF study of four cups and two pairs of vases. In these artefacts, decorations made of enamelled gold foil were applied both on soft-paste (Parpette and Coteau production) and hard-paste (Coteau production) porcelain body. The analyses showed the differences in the glazing technology used. The bonding between the gold foil and the glaze was obtained by addition of arsenic and possibly some other fluxes (boron, bismuth?). The use of cassiterite opacifier seems to be characteristic of Coteau’s technique. [1] R. de Plinval de Guillebon, Un phénomène périodique: la mode du décor d’or appliqué et d’émail sur la porcelaine française (XVIIe-XIXe siècles), Rev. Soc. Amis Sèvres 1 (1992) 7-22. [2] T. Preaud, Sèvres enamelled porcelain: Eight dies (and a quarrel) rediscovered, The Burlington Magazine 128 [999] (1986) 391-397.
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Dates et versions

hal-03964545 , version 1 (31-01-2023)

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  • HAL Id : hal-03964545 , version 1

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Philippe Colomban, Burcu Kirmizi, Jean-Baptiste Clais, Michele Gironda. Coteau's jewelled porcelain, a summit of ceramic art: An on-site Raman and pXRF study. 5th International Conference on Innovation in Art Research and Technology (inArt 2022), Jun 2022, Paris, France. ⟨hal-03964545⟩
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