Multianalytical Characterization of Unique Copper Model Tools from Dark Age of Ancient Egyptian History

Manal Maher; Yussri  Salem

doi:10.37558/gec.v19i1.898

Manal Maher Postgraduate collage of nanotechnology, Cairo University , Egypt, Egyptian Museum in Cairo https://orcid.org/0000-0002-9257-9907
Yussri Salem Conservation Department, Faculty of Archaeology, South Valley University, Qena 83523, Egypt

DOI: https://doi.org/10.37558/gec.v19i1.898

Palavras-chave: Idade Média, ferramentas modelo de cobre, primeiro período intermediário, produtos de corrosão, fios inertes transparentes

Resumo

O artigo apresenta uma investigação multianalítica de um conjunto único de ferramentas modelo de cobre datadas da Idade Média, da tumba de KHENNU E APA-EM-SA-F (289) no sul de Memphis, Saqqara. Foi usado um estereomicroscópio para examinar a morfologia dos produtos de corrosão da superfície externa. Foi utilizado um microscópio metalográfico para investigar a microestrutura do núcleo metálico e a estratigrafia das camadas de corrosão. Utilizou-se a espectroscopia SEM-EDX para identificar a composição elementar dos objetos. A espectroscopia XRD e de Raman foram usadas para analisar a superfície externa e a corrosão interna, respetivamente. A investigação microscópica revelou que as camadas de corrosão consistem numa camada externa, numa camada abaixo da superfície e em produtos de corrosão internos. Foram identificados cuprite, paratacamite, nantoquite, atacamite, malaquite e calconatronite por XRD e por espectroscopia Raman como corrosão superficial e interna. SEM-EDX revelou que os objetos do estudo de caso consistem em metal de cobre sem quaisquer outros elementos de liga. O estudo apresentou um tratamento adequado para esses objetos friáveis ou casos similares, e apresentou um procedimento de fixação seguro mediante uma técnica de costura e através de fios inertes transparentes. Os resultados revelaram que o ambiente de sepultamento e o armazenamento, a longo prazo, num ambiente não controlado, juntos causaram uma corrosão progressiva dos artefactos estudados.

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Biografias Autor

Manal Maher, Postgraduate collage of nanotechnology, Cairo University , Egypt, Egyptian Museum in Cairo

PH.D researcher in Postgraduate collage of nanotechnology, Cairo University , Egypt, Egyptian Museum in Cairo

Yussri Salem , Conservation Department, Faculty of Archaeology, South Valley University, Qena 83523, Egypt

Lecturer, Conservation Department, Faculty of Archaeology, South Valley University, Qena 83523, Egypt.

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Investigação multianalítica e conservação de ferramentas de cobre únicas da Idade Média do Antigo Egito

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