Identification of the Chemical Composition of the Slip Coating and the Colors Used in Some Slip-painted Pottery ‎from the Sistan Region

Document Type : Research

Authors

Department of Conservation and Restoration of historical artifacts, Faculty of Art and Architecture, university of Zabol, P. O. Code. 98613-35856, Zabol, Iran

Abstract

One of the most important types of pottery of the early Islamic era in Iran is the Slip-painted ‎pottery that was developed and ‎expanded in Iran in the third and fourth AH, especially in the ‎Samanid period. In this research, to understand the techniques ‎of slip coating in this pottery and ‎to identify the chemical composition of slip and the pigments used in them, some historical ‎‎samples of Slip-painted pottery ‎found from Sistan were studied in various laboratory ‎methods, including microscopic study, ‎spot ‎test, and Analysis by XRD and SEM-EDS‎ method‎‎. These laboratory ‎studies showed that clay slurry mixed with Lead ‎compounds was used in the preparation of slip, and it was used for pottery motifs and paints spectrum from red to dark ‎brown from ocher clay containing iron oxide mixed with manganese oxide and for green color, the earthy green pigment. In ‎addition, it was found that according to the analysis of the mineralogical ‎composition of the pottery bodies, they were fired ‎at a temperature of 850-900 degrees Celsius.

Keywords

Main Subjects

References

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https://doi.org/10/1111/j/1475-4754/2004/00164.x
Journal of Studies in Color World
Volume 13, Issue 3 - Serial Number 50
November 2023
Pages 269-282

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History

  • Receive Date: 31 January 2023
  • Revise Date: 28 June 2023
  • Accept Date: 01 July 2023

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