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Microchemical study of the black gloss on red- and black-figured Attic vases

✍ Scribed by Gabriel Maria Ingo; Giuseppe Bultrini; Tilde de Caro; Carla Del Vais

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 242 KB
Volume: 30
Category: Article
ISSN: 0142-2421
DOI: 10.1002/1096-9918(200008)30:1<101::aid-sia830>3.0.co;2-5

No coin nor oath required. For personal study only.

✦ Synopsis

The microchemistry of the black gloss decoration layer on black-and red-figured Attic vases (6th to 4th century BC) has been studied by means of selected-area x-ray photoelectron spectroscopy (XPS) and scanning electron microscopy/energy-dispersive spectroscopy (SEM/EDS). The results show that the Attic black gloss is obtained from an illitic clay, enriched in iron oxide particles, that is applied on the vase body and fired in an oxidizing-reducing-oxidizing cycle at a top temperature of ~950 °C. Furthermore, the results disclose the presence in the black gloss of iron grains with a complex structure, constituted by discrete areas of single phases with Fe 3Y , Fe 2Y and Fe 0 . These particles are finely dispersed in a vitreous Al-K-and Fe-enriched silicate where also Fe-C and C-C carbon atoms are present. The information about the raw materials and the firing process shows that the production of Attic vases is important for the history of the art as well as of the ceramic technology.

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