acid dye - определение. Что такое acid dye
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Что (кто) такое acid dye - определение


Acid dye         
  • Lee's stain used in gallbladder cells.
  • PTAH stain used in Human squamous epithelial cells.
DYE THAT IS TYPICALLY APPLIED TO ANIMAL-FIBER OR SYNTHETIC-FIBER TEXTILES IN AN ACIDIC SOLUTION
Acid dyes; Anionic dye
Acid dyes are anionic, soluble in water and are essentially applied from acidic bath. These dyes possess acidic groups, such as SO3H and COOH and are applied on wool, silk and nylon when ionic bond is established between protonated –NH2 group of fibre and acid group of dye.
Triarylmethane dye         
  • Bromocresol green reacts with acids and bases to give differently colored compounds
  • Friedel–Crafts synthesis of thymolphthalein
CLASS OF DYE
Triphenylmethane Dye; Triphenylmethane dye; Victoria blue dye
Triarylmethane dyes are synthetic organic compounds containing triphenylmethane backbones. As dyes, these compounds are intensely colored.
Substantive dye         
  • [[Direct Blue 1]].
  • [[Trypan blue]] (Direct Blue 14), which also exhibits medicinal properties.
  • [[Direct Blue 15]].
Representative direct dyes
WATER-SOLUBLE DYE THAT ADHERES TO A SUBSTRATE, USUALLY A TEXTILE MATERIAL OR LEATHER, WITHOUT THE USE OF A MORDANT
Direct dyes; Direct dye; Direct cotton dye; Direct cotton dyestuff
A substantive dye or direct dye is a dye that adheres to its substrate, typically a textile, by non-ionic forces.