Listar por autor "Di Febo, Roberta"

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Grenades or little vessels? archaeological and archaeometric data about the odd artefacts from the ancient born market (Barcelona, Spain)

Di Febo, Roberta; Varaldo, Carlo (University of the Aegean, 2017)

In this communication, we present the archaeological and archaeometric results on a collection of 188 ceramic receptacles from the archaeological excavations carried out in the old Born market of Barcelona (Spain). The ...
Identification of microcrystalline phases in Lead Glazes of ceramics from 17th-19th centuries: archaeometric implications

Di Febo, Roberta (Universitat de Vic - Universitat Central de Catalunya, 21-10-2019)

Crystalline phases inside ancient glazes can have different origins: unreacted compounds (thus already formed before the glaze formation), crystallites developed during the glaze production or devitrification crystals ...
The production of a lead glaze with galena: Thermal transformations in the PbS–SiO2 system

Di Febo, Roberta; Molera Marimon, Judit; Pradell, Trinitat; Melgarejo, Joan C.; Madrenas, Josep (The American Ceramic Society, 2017)

Galena, also known as PbS, was widely used in the production of lead glazes from the beginning of the 18th century to the second half of the 20th century. Although the PbO-SiO2 system has been studied for years, the ...

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