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- Dye (6033 bytes)
3: ...e dyes were obtained from either [[animal]], [[vegetable]] or [[mineral]] origin, with no or very litt...
5: {{Wiktionary}}
9: ...d by [[William Perkin|William Henry Perkin]] in [[1856]]. Many thousands of dyes have since been prepare...
11: ...s attributed, at least partly, to salt formation between anionic groups in the dyes and [[cationic]] g...
13: ... but find some use for wool and silk. Usually [[acetic acid]] is added to the dyebath to help the upta...
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