Classification of dyes - direct dyes, Chemistry

Assignment Help:

Classification of dyes according to their application

Direct dyes:

this type of dyes can be directly applied to the fiber, both vegetable and animal, by dipping in hot aqueous solution of the dye. This type of dyes is most significant for those fabrics that can form hydrogen bonds, that is for rayon, wool, silk, cotton and nylon. Congo and Martius yellow red work as direct dyes. Instances are: Martius yellow, congo red.


Related Discussions:- Classification of dyes - direct dyes

REDOX REACTION HALF-REACTION, WRITE HALF-REACTION FOR THE REDOX Fe2+ + MnO...

WRITE HALF-REACTION FOR THE REDOX Fe2+ + MnO4- =Fe3+ + Mn2+

What are the physical properties of solids?, Q. What are the physical prope...

Q. What are the physical properties of solids? Ans. Most solids eventually melt when heated. This is because the particles gain enough energy to exceed the attractive for

Electromeric effect - organic chemistry, Electromeric effect (1) The oc...

Electromeric effect (1) The occurrence of movement of electrons from one atom to other in multi bonded atoms at the demand of attacking reagent is known as electromeric effect.

What do you mean by blanching, Q. What do you mean by Blanching? The en...

Q. What do you mean by Blanching? The enzymes in the food system can be separated into four groups relating to the changes in flavour, colour, texture and nutritive value. T

The electronic configuration, Which of the following pairs of species has s...

Which of the following pairs of species has same electronic configuration: (1) Zn 2   and Ni 2+                              (2) Co +3  and  Ni 4    (3)  Co 2+   and Ni

Werner''s coordination theory, conclusion for Werner''s coordination theory...

conclusion for Werner''s coordination theory assignment

Perckin reaction, what are some exempel of perckin relation

what are some exempel of perckin relation

Physical properties of acyl halides, Physical properties of Acyl Halides  ...

Physical properties of Acyl Halides  1. As much lower acyl chloride are mobile, colourless liquid while the higher members are coloured solids. 2. Acyl chloride has very pun

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd