Investigates the problem of lead sulphide darkening of 19th century painting materials. This darkening, thought to be caused by the formation of the dark-brown compound lead sulphide, was believed to occur wherever lead was present in the ground and oil paint layers or as a drier in a final oil varnish. The tacking margin of a Turner oil sketch and a 19th century primed canvas were examined.
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- Resource type
Conference paper (published)
- Event title
Conference held jointly by UKIC and the Tate Gallery
- Book title
Dirt and pictures separated: papers given at a conference held jointly by UKIC and the Tate Gallery, January 1990
- Hackney, Stephen
- Townsend, Joyce H.
- Eastaugh, Nick
United Kingdom Institute of Conservation
- Place of publication