Bromine volatilization during firing of calcareous and non-calcareous clays: Archaeometric implications
Source abstract
Abstract
Abstract The influence of carbonates in the temperature of Br volatilization during firing of clays and its implications in archaeometric studies are investigated. The main goal is to determine the circumstances in which Br content of fired products (“pottery”) can be considered inherited from raw material or added to ceramic pastes after production. Seven samples representing different types of clays (non-calcareous clays, calcite-rich clays and dolomite-rich clays) from Algarve region (South Portugal) were studied before and after firing at temperatures ranging from 300 °C to 1100 °C by steps of 100 °C. Original clays were characterized by major element geochemistry, obtained by X-ray fluorescence, and by mineralogy of bulk rock and
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Research context
OpenAlex topics: Cultural Heritage Materials Analysis · Building materials and conservation · Archaeology and ancient environmental studies
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