Difference between revisions of "Acid dyes"
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| + | |Definition=A very large class of dyes containing acidic groups, such as the sodium salts of sulfonic acids or phenolic groups. They are more soluble and have less tinctorial value than BASIC DYES but they also have greater light fastness. See: FAST COLORS . They do not form lakes with tannin. Acid dyes are used in dyeing leather, paper, etc., and their particular value lies in their ability to produce brighter, more uniform colors. They are normally applied from an acid dye liquor (acetic, formic, or sulfuric acid); however, unless applied from a neutral or only slightly acid dyebath, i.e., pH of 6.0 to 7.0, their use is likely to result in acid degradation of the material dyed. See also: FUGITIVE COLORS ; LAKE . | ||
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===Synonyms=== | ===Synonyms=== | ||
Revision as of 17:30, 30 August 2020
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Contents
Intro
Related terms
| Language code"Language code" is a predefined property that represents a BCP47 formatted language code and is provided by Semantic MediaWiki. | Translated term | Source | Citation textThis property is a special property in this wiki. | Status | Skos:scopeNote |
|---|---|---|---|---|---|
| fr | colorants acides | Citation needed! | preferred | ||
| it | coloranti acidi1 | Sidoti | preferred |
Gallery
Synonyms
Related terms
Translations for "acid dyes"
- Danish: (translation needed)}
- Dutch: (translation needed)
German: (translation needed)
- Spanish: (translation needed)
References
- ^ Sidoti
