Feldspar papyrus-column amulet; unpierced projection at the top.
- Found/Acquired: Egypt
- Length: 2.75 centimetres
- Diameter: 0.73 centimetres
26 April 2013
Reason for treatment
Remove amulet from fabric mount. Remove adhesive residues. Apply BIG number if required.
During the Faience survey 2009 salts were seen on the surface of objects. Analytical Request report AN2010-72 identified crystals as formate salts. Oddy testing confirmed that the wooden mounts covered in fabric are off gassing releasing formic acid. It has therefore been recommended that all objects mounted on this type of mount are removed. Objects are glued onto the mount, either with shellac or animal glue. Sometimes pinning and gluing has been used in combination. The majority of the objects are stable and require no further treatment however many require the application of the collection BIG number.
The pins were pulled away from the amulet and the amulet removed from the mount. Any failed adhesive on the object was softened by applying cotton wool on the reverse wetted with IMS (Industrial Methylated Spirits), then removed with a scalpel and swabs as appropriate. If numbering was necessary a barrier layer of 20% Paraloid B72 (ethyl methacrylate copolymer) in acetone was applied in a discrete position. The BIG number was applied with a brush under magnification using either black or white ink (Aerocolor Professional acrylic ink).
Ancient Egypt & Sudan
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Object reference number: YCA48735
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