Eight portraits at the Tate Gallery by Sir Joshua Reynolds (1723-1792) were examined to assess whether the varnishes could be removed safely. Analysis of the paint medium was carried out with DTMS (direct temperature-resolved pyrolysis mass spectrometry), varnish having been removed beforehand in test cleans by a variety of methods. Most samples included mixtures of the following media: linseed and walnut oils (some with lead driers), beeswax, mastic resin, Venice turpentine and on occasion bitumen. Beeswax was a significant component of the paint film in several paintings. An assessment was made of the effects of cleaning methods on areas of paint.
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- Resource type
Conference paper (published)
- Event title
ICOM Committee for Conservation, 12th triennial meeting, Lyon
- Book title
ICOM Committee for Conservation, 12th triennial meeting, Lyon, 29 August-3 September 1999 : preprints.
- Bridgland, Janet
- Brown, Jessica
James and James (Science Publishers) Ltd.
- Place of publication