Difference between revisions of "Lime white"
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== Description == | == Description == | ||
| − | A fine, white pigment composed of [ | + | A fine, white pigment composed of [[calcium hydroxide]], and [[calcium carbonate]]. Lime white is produced by the long-term slaking of lime in water or air to form a thick, white, alkaline paste. It was used for fresco painting because it hardens to form a cohesive film without the aid of a binder. Lime white reacts with proteins, such as [[egg white]], or [[casein]], to produce a tough, insoluble film. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 12:43, 21 January 2014
Description
A fine, white pigment composed of Calcium hydroxide, and Calcium carbonate. Lime white is produced by the long-term slaking of lime in water or air to form a thick, white, alkaline paste. It was used for fresco painting because it hardens to form a cohesive film without the aid of a binder. Lime white reacts with proteins, such as Egg white, or Casein, to produce a tough, insoluble film.
Synonyms and Related Terms
St. John's white; bianco sangiovanni (It.)
Additional Information
° R. Gettens, E. West Fitzhugh, R.Feller, "Calcium Carbonate Whites", Artists Pigments, Vol. 2., A. Roy ed. Oxford University Press, Oxford, 1993.
Authority
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
- Artists' Pigments: A Handbook of their History and Characteristics, Ashok Roy (ed.), National Gallery of Art, Washington DC, Vol. 2, 1993 Comment: page 206
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000