Micro‐Raman and infrared analysis of medieval pottery findings from Braničevo, Serbia

Abstract

A selection of Byzantine table pottery (17 samples) dating from the period between the beginning of the 12th century and the first half of the 13th century, discovered at Braničevo in Serbia, were analysed by Fourier transform infrared, micro‐Raman and scanning electron microscopy with energy dispersive spectroscopy and petrography analysis. The aim of the investigation was to determine the chemical and mineralogical composition of the body and of the glaze and thus to determine the production technology. Fourier transform infrared spectroscopy provided data for estimating the firing temperature and the basic mineralogical composition, and micro‐Raman spectroscopy was applied to study and characterise both the glaze and the body of the analysed sherds. It was found that noncalcareous clays, characterised by a rich mineral assemblage, were fired at temperatures between 700 and 900 °C. Oxidizing atmosphere was applied in the production of the red colour pottery. The dark and grey coloured paste of one group of sherds was produced by firing organic matter‐rich clays in a reducing environment. The main type of transparent glaze was identified as lead‐rich, and two samples were alkali–lime glazed. Copyright © 2011 John Wiley & Sons, Ltd.

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