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THE ENVIRONMENTAL STABILITY OF ANCIENT CERAMICS

FRANKLIN, U. M. ; VITALI, V.

Archaeometry, 1985-02, Vol.27 (1), p.3-15 [Periódico revisado por pares]

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Título:
THE ENVIRONMENTAL STABILITY OF ANCIENT CERAMICS
Autor: FRANKLIN, U. M. ; VITALI, V.
Assuntos: Excavation and methods ; Laboratory methods ; Methodology and general studies ; Physical and chemical analysis ; Prehistory and protohistory
É parte de: Archaeometry, 1985-02, Vol.27 (1), p.3-15
Notas: ark:/67375/WNG-3G5Q69MQ-R
istex:351272E61992237FE4CFA96FA79F24078F0B786B
ArticleID:ARCM3
Descrição: A series of corrosion experiments was carried out using identical samples of a ceramic of known composition, structure and density which were subjected to a variety of simulated soil solutions. The action of the solutions was monitored by measuring their pH as a function of time at 25 °C and 90 °C. Under all conditions the pH stabilized rapidly. Microscopic and electron microscopic studies showed the presence of reaction/alteration products that would account for the observed pH changes. The findings indicate that ancient ceramics that exhibit no physical deterioration will have below their surface a composition corresponding to the composition of the sherd at the time of its burial.
Editor: Oxford, UK: Blackwell Publishing Ltd
Idioma: Inglês

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