SEM-EDS, EMPA, ICP-MS and ICP-OES were applied to the study of three sectilia panels made of red, orange and yellow glass slabs. In order to determine the chemical state of Cu, XAS was also performed. The results indicate that, with the exception of the red samples, all slabs were made by mixing a siliceous sand with natron. The red slabs show significant compositional differences with respect to K2O and MgO contents, probably linked to the use of plant ashes as a source of alkali. The red, orange and yellow slabs are coloured by metallic copper, cuprite and Pb antimonates, respectively. The comparison between the chemical composition of the Faragola samples and several glass reference groups did not provide conclusive evidence of provenance. © 2008 University of Oxford.

SANTAGOSTINO BARBONE, A., Gliozzo, E., Turchiano, M., Dacapito, F., Turbanti, I., & Volpe, G. (2008). The sectilia panels of Faragola (Ascoli Satriano, southern Italy): a multi-analytical study of the red, orange and yellow glass slabs. ARCHAEOMETRY, 50(3), 451-473 [10.1111/j.1475-4754.2007.00341.x].

The sectilia panels of Faragola (Ascoli Satriano, southern Italy): a multi-analytical study of the red, orange and yellow glass slabs

SANTAGOSTINO BARBONE, A.;GLIOZZO, E.;TURBANTI, I.;
2008

Abstract

SEM-EDS, EMPA, ICP-MS and ICP-OES were applied to the study of three sectilia panels made of red, orange and yellow glass slabs. In order to determine the chemical state of Cu, XAS was also performed. The results indicate that, with the exception of the red samples, all slabs were made by mixing a siliceous sand with natron. The red slabs show significant compositional differences with respect to K2O and MgO contents, probably linked to the use of plant ashes as a source of alkali. The red, orange and yellow slabs are coloured by metallic copper, cuprite and Pb antimonates, respectively. The comparison between the chemical composition of the Faragola samples and several glass reference groups did not provide conclusive evidence of provenance. © 2008 University of Oxford.
SANTAGOSTINO BARBONE, A., Gliozzo, E., Turchiano, M., Dacapito, F., Turbanti, I., & Volpe, G. (2008). The sectilia panels of Faragola (Ascoli Satriano, southern Italy): a multi-analytical study of the red, orange and yellow glass slabs. ARCHAEOMETRY, 50(3), 451-473 [10.1111/j.1475-4754.2007.00341.x].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11365/6743
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