Difference between revisions of "Auxochrome"
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Any portion of a molecule, i.e. radical or ionic functional group, that improves the color of the chromophore in an organic colorant. Auxochromes can also provide an ionic site that enables the dye to bind to a fiber. Examples of auxochrome groups are -COOH, -SO3H, -OH, and -NH3. | Any portion of a molecule, i.e. radical or ionic functional group, that improves the color of the chromophore in an organic colorant. Auxochromes can also provide an ionic site that enables the dye to bind to a fiber. Examples of auxochrome groups are -COOH, -SO3H, -OH, and -NH3. | ||
| − | == | + | ==Resources and Citations== |
* B. Berrie, S.Q. Lomax, 'Azo Pigments: Their History, Synthesis, Properties and Use in Artists' Materials', ''Studies in the History of Art'' , National Gallery of Art, Washington DC, No. 57, 1997 | * B. Berrie, S.Q. Lomax, 'Azo Pigments: Their History, Synthesis, Properties and Use in Artists' Materials', ''Studies in the History of Art'' , National Gallery of Art, Washington DC, No. 57, 1997 | ||
Latest revision as of 13:41, 30 April 2022
Description
Any portion of a molecule, i.e. radical or ionic functional group, that improves the color of the chromophore in an organic colorant. Auxochromes can also provide an ionic site that enables the dye to bind to a fiber. Examples of auxochrome groups are -COOH, -SO3H, -OH, and -NH3.
Resources and Citations
- B. Berrie, S.Q. Lomax, 'Azo Pigments: Their History, Synthesis, Properties and Use in Artists' Materials', Studies in the History of Art , National Gallery of Art, Washington DC, No. 57, 1997
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997