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Open AccessArticle

Investigation of the Pigments and Glassy Matrix of Painted Enamelled Qing Dynasty Chinese Porcelains by Noninvasive On-Site Raman Microspectrometry

1
MONARIS UMR8233, Sorbonne Université, CNRS, 4 Place Jussieu, 75005 Paris, France
2
Department of Conservation and Restoration of Cultural Property, Faculty of Architecture, Yıldız Technical University, Yıldız Yerleşkesi B Blok, Beşiktaş, 34349 İstanbul, Turkey
3
CRCAO UMR8155, CNRS, Collège de France, 75005 Paris, France
4
Département des objets d’art, Musée du Louvre, quai François Mitterrand, 75001 Paris, France
5
Department of Fine Arts, Palace Museum, Beijing 100009, China
6
Chateau-Musée de Fontainebleau, Place Charles de Gaulle, 77300 Fontainebleau, France
*
Author to whom correspondence should be addressed.
Heritage 2020, 3(3), 915-940; https://doi.org/10.3390/heritage3030050
Received: 24 July 2020 / Revised: 5 August 2020 / Accepted: 14 August 2020 / Published: 17 August 2020
(This article belongs to the Special Issue Optical Technologies Applied to Cultural Heritage)
A selection of 15 Chinese painted enameled porcelains from the 18th century (Qing dynasty) was analyzed on-site by mobile Raman and XRF microspectroscopy. The highly prized artifacts are present in the collections of the Musée du Louvre in Paris and Musée Chinois at Fontainebleau Castle in France. In the painted enamels, pigments such as Naples yellow lead pyrochlore, hematite, manganese oxide and carbon and opacifiers such as lead arsenates were detected. The glassy matrices of the enamels mainly belonged to lead-rich and lead-alkali glass types according to the Raman spectra obtained. The glaze and body phases of the porcelain artifacts were also analyzed. The detection of lead arsenate apatite in some of the blue enamels was significant, indicating the use of arsenic-rich European cobalt ores (smalt) and possibly mixing with Asian cobalt. This characteristic phase has also been identified in French soft-paste porcelains and glass decor and high-quality Limoges enamels from the same period. Based on the shape of the Raman scattering background, the presence of colloidal gold (Au° nanoparticles) was identified in red, orange and pink enamels. Different types of Naples yellow pigments were also detected with Sb-rich, Sn-rich and mixed Sb–Sn–(Zn, Fe?) compositions in the yellow enamels. The results were compared to previous data obtained on Chinese cloisonné and painted enameled metalware and Limoges enamels as well as French enameled watches. View Full-Text
Keywords: porcelain; enamels; China; 18th century; Raman microspectroscopy; pXRF; pigments; arsenic; cobalt; Naples yellow porcelain; enamels; China; 18th century; Raman microspectroscopy; pXRF; pigments; arsenic; cobalt; Naples yellow
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MDPI and ACS Style

Colomban, P.; Kırmızı, B.; Zhao, B.; Clais, J.-B.; Yang, Y.; Droguet, V. Investigation of the Pigments and Glassy Matrix of Painted Enamelled Qing Dynasty Chinese Porcelains by Noninvasive On-Site Raman Microspectrometry. Heritage 2020, 3, 915-940. https://doi.org/10.3390/heritage3030050

AMA Style

Colomban P, Kırmızı B, Zhao B, Clais J-B, Yang Y, Droguet V. Investigation of the Pigments and Glassy Matrix of Painted Enamelled Qing Dynasty Chinese Porcelains by Noninvasive On-Site Raman Microspectrometry. Heritage. 2020; 3(3):915-940. https://doi.org/10.3390/heritage3030050

Chicago/Turabian Style

Colomban, Philippe; Kırmızı, Burcu; Zhao, Bing; Clais, Jean-Baptiste; Yang, Yong; Droguet, Vincent. 2020. "Investigation of the Pigments and Glassy Matrix of Painted Enamelled Qing Dynasty Chinese Porcelains by Noninvasive On-Site Raman Microspectrometry" Heritage 3, no. 3: 915-940. https://doi.org/10.3390/heritage3030050

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