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

Electrophilic substitutions reactions - organic chemistry, Electrophilic su...

Electrophilic substitutions reactions: Electrophilic substitution includes the attack by an electrophile. It is denoted as S E ( S denotes substitution and E denotes elct

Electrochemistry, reversible and irreversible cell with example

reversible and irreversible cell with example

Determine uncertainty of velocity, Uncertainty in position of a 0.25 g par...

Uncertainty in position of a 0.25 g particle is 10 -5   . Uncertainty of velocity  ( h = 6.6 x 10 -34 Js) is: (1)  1.2 x 10 34       (2)  2.1 x 10 -29   (3)  1.6 x 1

BSE, The role of prion in BSE

The role of prion in BSE

Explain basic physical properties of gas, Q. Explain Basic physical propert...

Q. Explain Basic physical properties of Gas? Ans. Gases are the least dense phase of matter. Gases can be easily expanded or compressed. They exert pressure equally in

Covalent bonding, Covalent Bond Purely electrostatic attractions between...

Covalent Bond Purely electrostatic attractions between ions are nondirectional, but with increasing covalent character the directional properties of valence orbitals become more

Liquefaction of gases, Assainment of liquefaction of gases in degr...

Assainment of liquefaction of gases in degree 2 nd sem

Esters, preparation reaction of esters

preparation reaction of esters

Nuclear fission, Ask question #Minimum 500 words accepted#

Ask question #Minimum 500 words accepted#

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