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Abstract
Al Ain National Museum is in the city of Al Ain, within the Emirate of Abu Dhabi, United Arab Emirates. This museum preserves an excellent collection of copper alloy archeological objects from different archeological sites around Al Ain all dated from the Neolithic era. We have observed a high concentration of chloride salts in most objects, which favors their corrosion. We conjecture that this may be the case for most sites located in arid zones near the coast. This paper aims to highlight the desalination treatments used during the conservation project of these artifacts. Desalination was the central treatment to achieve their stabilization and to promote their preservation for as long as possible. While the B70 desalination system has proven to be quite effective; salts still remain on the objects. Therefore, relative humidity and temperature monitoring are required to avoid variations that could reactivate sealed chlorides inside the objects.
Translated title of the contribution | Conservação-restauração das coleções arqueológicas em liga de cobre do Museu Nacional de Al Ain: a importância da dessalinização |
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Original language | English |
Pages (from-to) | 18-32 |
Number of pages | 15 |
Journal | Ge-conservación |
Volume | 17 |
Issue number | 17 |
DOIs | |
Publication status | Published - 25 Jun 2020 |
Keywords
- Copper alloy
- Chloride
- Minimal treatment
- Passive layer
- Stabilization
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CITAR: Research Center for Science and Technology of the Arts
Vieira, E. (PI), Nobre da Silva Pais, A. M. (Other career/Public sector), Filipe, C. (Private Sector), Serra, S. (Assistant Professor), Baltazar, A. (Assistant Professor), Lobo, C. (Invited Assistant Professor), Carmona, C. R. (Assistant Professor), Sá, C. (Assistant Professor), Sousa, G. V. E. (Full Professor), Pereira, H. M. (Assistant Professor), Neves, J. (Invited Assistant Professor), Teixeira, J. (Invited Assistant Professor), Gomes, J. A. (Invited Assistant Professor), Carvalho, J. V. (Invited Assistant Professor), Castro, L. (Assistant Professor), Teixeira, L. (Assistant Professor), Aguiar, M. (Assistant Professor), Crespo, N. (Assistant Professor), Camarneiro, N. (Invited Assistant Professor), Costa, P. R. (Invited Assistant Professor), Pestana, P. D. (Invited Assistant Professor), Alves, P. (Invited Assistant Professor), Kunz, S. (Assistant Professor), Neves, S. (Invited Assistant Professor), Coutinho, V. M. (Invited Assistant Professor), Galán-Pérez, A. (Private Sector), Rangel, A. (Professor non-higher education), Natálio, C. (Researcher), Henriques, F. (Researcher), Afonso Lopes, M. I. (Private Sector), Bordalo, R. (Researcher) & Lammeren, S. R. L. V. (Researcher)
1/01/20 → 31/12/25
Project: Research