Seven pieces of corroded silver foil.
- Found/Acquired: Egypt
- Length: 13 centimetres (largest piece)
- Width: 5.5 centimetres (largest piece)
- Thickness: 0.03 centimetres
25 January 2004
Reason for analysis
Identification Of Corrosion Products And Base Metal From Metal Foil Aes 1912.0217.191
Blue and light green corrosion products on metal foil AES 1912.2-17.191 were analysed using Fourier transform infrared spectrometry (FTIR). The blue corrosion product was found to be sodium copper acetate carbonate and the light green was identified as malachite. The metal was analysed by X-ray fluorescence (XRF) and was found to be copper (Cu).
Analysis reference number
Ancient Egypt & Sudan
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Object reference number: YCA39493
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