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Raman spectroscopy applied to early (ca. 1746-1754) English steatitic porcelains: a tentative study of compositions

Jay, W.H. and Orwa, J.O. 2012, Raman spectroscopy applied to early (ca. 1746-1754) English steatitic porcelains: a tentative study of compositions, Journal of raman spectroscopy, vol. 43, no. 2, pp. 307-316, doi: 10.1002/jrs.3016.

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Title Raman spectroscopy applied to early (ca. 1746-1754) English steatitic porcelains: a tentative study of compositions
Author(s) Jay, W.H.
Orwa, J.O.ORCID iD for Orwa, J.O. orcid.org/0000-0001-6041-6751
Journal name Journal of raman spectroscopy
Volume number 43
Issue number 2
Start page 307
End page 316
Total pages 10
Publisher Wiley-Blackwell
Place of publication Chichester, Eng.
Publication date 2012-02
ISSN 0377-0486
1097-4555
Keyword(s) porcelain
bow
Worcester
composition
on-glaze enamels
lead alkali silicate glazes
Summary Two pieces of unmarked English porcelainware, a vase and a coffee cup, were examined by Raman spectroscopy. The presence of both forsterite and enstatite was identified in the vase, and enstatite and diopside in the coffee cup, indicating that both articles contained magnesium. The glazes on the two objects were found to be different in chemical composition, as were the compositions of their on-glaze enamels used for their decoration. Residues of an organic binder were observed in the turquoise on-glaze enamels used to decorate both objects, indicating that either this colour was cold-painted onto these, or, more likely, a lead-based glaze fired at very low temperature was employed. From the data generated, together with the supporting historical information, it is now proposed that the two objects were decorated in different factories, most likely between ca. 1746 and 1754. The vase has been attributed to manufacture and decoration at Worcester during ca. 1753-1754, and the coffee cup is presently attributed to Bow manufacture and decoration in ca. 1746.
Language eng
DOI 10.1002/jrs.3016
Field of Research 020402 Condensed Matter Imaging
Socio Economic Objective 970119 Expanding Knowledge through Studies of the Creative Arts and Writing
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2011, John Wiley & Sons
Persistent URL http://hdl.handle.net/10536/DRO/DU:30091842

Document type: Journal Article
Collection: School of Engineering
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