- Found/Acquired: Egypt
- Height: 7.5 centimetres
- Width: 6.2 centimetres
Inscription CommentPainted. Illegible
poor (destroyed by salt)
20 October 2005
Reason for treatment
desalination / stabilisation
Ostrakon 31145 is split into two fragments. Both have salts. The top fragment has no visible inscription.
The ostrakon was examined under the microscope. The loose salts were brushed off and the harder crystals were broken ups with a small pin. Loose areas were consolidated with 5% Paraloid B72 (ethyl methacrylate copolymer) 1:1 in acetone /IMS applied with a micropipette. Flakes were reattached by applying a few coating of 15% Paraloid B72 (ethyl methacrylate copolymer) in acetone. All the surface of both fragments was consolidated woth 5% Paraloid B72 (ethyl methacrylate copolymer) applied with a brush and a micropipette in two coatings.Both fragments were desalinated by immersing in distilled water until conductivity showed a low number (ranging from 40.5X10**-4S going down to 1.0X10**-4S).After desalination the two fragments were reattached with Paraloid B72 (ethyl methacrylate copolymer) 50% in acetone applied from the tube. Joins supported with clamps during curing. Missing areas filled with 25% Paraloid B72 (ethyl methacrylate copolymer) mixed with Microballoons (silica or phenolic resin) . Excess was removed with acetone.
Ancient Egypt & Sudan
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Object reference number: YCA8249
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