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

What is the formula of the compound, A cubic solid is made of two elements ...

A cubic solid is made of two elements X and Y. Atoms V are at the corners of the cube and X at the body centre. What is the formula of the compound?

Inorganic, electrophilic substitution in phenol takes place

electrophilic substitution in phenol takes place

What is threshold energy, The minimum amount of energy needed for the react...

The minimum amount of energy needed for the reaction to takes place is known as threshold energy.

Explain hybrid rocket propellants, Explain the following and give one examp...

Explain the following and give one example of each: a. Tranquillizers b. Mordant c. Hybrid rocket propellants

Word root - iupac system of naming organic compounds, Word root - IUPAC Sys...

Word root - IUPAC System of Naming Organic Compounds The word root represents the number of carbon atoms that are present in the chain. Table : Chain le

Physical chemistry, the equation of langmuir isotherm was derived on basis ...

the equation of langmuir isotherm was derived on basis of

Explain bulking of sand, Explain Bulking of sand The presence of moistu...

Explain Bulking of sand The presence of moisture content to particular extent in sand increases the volume of sand. This is due to the fact that the moisture causes ?lm of wate

Organic, A crucial step in the Robinson annelation is the elimation of an a...

A crucial step in the Robinson annelation is the elimation of an aldol adduct to form an enone. The elimination of an aldol product can occur in base (it occurs even more readily i

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