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

Calculate de-broglie wavelength of an electron travelling, Calculate de-Bro...

Calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light: (1) 2.73 x 10- 24                (2)  2.42 x 10 -10 (3)  242.2x 10- 10

Aromatic nitro compounds - electrophilic substitution, Chemical Properties ...

Chemical Properties of Aromatic Nitro Compounds - Electrophilic substitution Because - NO 2 group is deactivating and m-directing, electrophilic substitution (halogenation, ni

Differential extraction of organic acids, What would happened if I put sodi...

What would happened if I put sodium hydroxide instead of sodium bicarbonate into diethyl ether?

Heat capacity(Specific Heat), A 75g piece of Ag is heated to 80 degree celc...

A 75g piece of Ag is heated to 80 degree celcius and drooped into 50g of water at 23.2 degree celcius.The final tempereture of Ag-H2O mixture is 27.6degree celcius.what is the spec

Show two reactions have identical value of ea, Two reactions have identical...

Two reactions have identical value of Ea. Does it the mean that they have same rate constant if run at the same temperature?Illustrate.

How to check alcl3 polar or not, Is AlCl 3 polar.........? If not then why...

Is AlCl 3 polar.........? If not then why does it react with H 2 O? Also is NaCl non polar?How to decide whether a given compound is polar or not?? solution) If a bond is between

Main function of research and development, Q. Main function of Research and...

Q. Main function of Research and Development? The main function of Research and Development in the food processing operation is the development of new products, which can contr

Diagonol relationship, What is difference between aluminium and beryllium?

What is difference between aluminium and beryllium?

Reading IR, i need help reading this IR chart to figure out what the compou...

i need help reading this IR chart to figure out what the compound is

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