Difference between revisions of "Fading"
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== Description == | == Description == | ||
| − | The gradual loss of brightness or color. Fading is an irreversible process due to chemical alteration, such as [ | + | The gradual loss of brightness or color. Fading is an irreversible process due to chemical alteration, such as [[oxidation]], of the color-forming compound. Non-lightfast, or fugitive, [[pigment|pigments]] and [[dye|dyes]] can loose color with exposure to ultraviolet light in the presence of [[oxygen]] and [[moisture content|moisture]]. Comparative studies of fading for various materials can be done with a [[fadeometer]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 09:40, 15 January 2014
Description
The gradual loss of brightness or color. Fading is an irreversible process due to chemical alteration, such as Oxidation, of the color-forming compound. Non-lightfast, or fugitive, pigments and dyes can loose color with exposure to ultraviolet light in the presence of Oxygen and moisture. Comparative studies of fading for various materials can be done with a Fadeometer.
Synonyms and Related Terms
discoloration; whitening; color loss; verblassen (Deut.); ausbleichen (Deut.); décoloration (Fr.)
Authority
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996