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

Maximum effluent bod permissible, A township of 25,000 inhabitants is to di...

A township of 25,000 inhabitants is to discharge treated domestic sewage to the neighboring stream which has a least flow of 0.25 m3/s and a 5-day BOD of 3 mg/L. Water consumption

What are natural or synthetic food colours?, Q. What are natural or synthet...

Q. What are natural or synthetic food colours? Food in raw state has a natural colour, which is associated with the characteristics of that food. In the processing, preservatio

Organic, chain shortening in aldoses

chain shortening in aldoses

Surface tension, Why liquids rise in the cappilary tube ? Explain.

Why liquids rise in the cappilary tube ? Explain.

Oxidation number, which element have highest oxidation number and why?

which element have highest oxidation number and why?

Physical change and chemical change, what are the similarities of chemical ...

what are the similarities of chemical and physical change

Define food spoilage, Q. Define Food spoilage? Food spoilage is a major...

Q. Define Food spoilage? Food spoilage is a major concern of all people. Spoilage by growth of bacteria, yeasts and moulds limits the time that the food can be stored and still

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