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2. Acid dye - Wikipedia

   en.wikipedia.org/wiki/Acid_dye

   An acid dye is a dye that is typically applied to a textile at low pH. They are mainly used to dye wool, not cotton fabrics. [1] Some acid dyes are used as food colorants, [2] [3] and some can also be used to stain organelles in the medical field. Acid dyes are anionic, soluble in water and are essentially applied from acidic bath.

3. The Right Way to Clean a Wool Rug, According to Experts

   www.aol.com/way-clean-wool-rug-according...

   Wool rugs are a cozy addition to any room, adding texture, warmth, and color to personalize your space. ... This will help hold the natural dyes in the fiber. Soak the entire rug with water ...

4. List of dyes - Wikipedia

   en.wikipedia.org/wiki/List_of_dyes

   Acid Blue AS Weak Acid Blue Acid Blue 25: 62055 anthraquinone: 6408-78-2: Acid fuchsin: Acid Magenta Acid Rubin Acid Violet 19 42685 triarylmethane: 3244-88-0: Acid orange 3 Acid orange 3 10385 nitro 6373-74-6: Acid orange 19: Acid Orange 19 14690 azo: 3058-98-8: Acid orange 20: Orange I Acid Orange 20 14600 azo 523-44-4: Acid Red 13: Fast red ...

5. Synthetic colorant - Wikipedia

   en.wikipedia.org/wiki/Synthetic_colorant

   Critical reviews of Impressionists’ blues made comparisons to laundresses’ tubs, in particular the practice of laundry bluing, and to chemical waste dumped into the Seine by dye factories. [8] One critic accused Edgar Degas , known for experiments in aquatint , pastel and oil painting as having an obsession with "chemistry," evoking a ...

6. Acid Orange 7 - Wikipedia

   en.wikipedia.org/wiki/Acid_Orange_7

   Acid Orange 7, also known as 2-naphthol orange is an azo dye. It is used for dyeing wool. Preparation It is ...

7. Ponceau 4R - Wikipedia

   en.wikipedia.org/wiki/Ponceau_4R

   Its chemical name is 1-(4-sulfo-1-napthylazo)-2-napthol-6,8-disulfonic acid, trisodium salt. Ponceau (17th century French for " poppy-coloured ") is the generic name for a family of azo dyes . Ponceau 4R is a strawberry red azo dye which can be used in a variety of food products, and is usually synthesized from aromatic hydrocarbons ; it is ...

8. The 11 Best Hair Dyes for Dark Hair Without Bleach - AOL

   www.aol.com/11-best-hair-dyes-dark-190000812.html

   PureWow Editors select every item that appears on this page,, and the company may earn compensation through affiliate links within the story You can learn more about that process here. Yahoo Inc ...

9. Category:Acid dyes - Wikipedia

   en.wikipedia.org/wiki/Category:Acid_dyes

   Pages in category "Acid dyes" The following 36 pages are in this category, out of 36 total. This list may not reflect recent changes. ...