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

Radis of curvater, what is the radis of carvater eassy words

what is the radis of carvater eassy words

Brønsted acids and bases, Definitions   A Br ø nsted base a proton...

Definitions   A Br ø nsted base a proton acceptor, and Br ø nsted acid is a proton donor. In this definition an acid-base reaction accepts protolysis:

The maximum number of electrons in an orbital, Which of the following princ...

Which of the following principles/rules limits the maximum number of electrons in an orbital to two: (1)  Aufbau principle (2) Pauli's exclusion principle (3) Hund's rule

What do you mean by sensory perception, Q. What do you mean by sensory perc...

Q. What do you mean by sensory perception? The appearance of a food can be evaluated in terms of colour, surface characteristics such as smoothness of a surface, dry surface, g

STATES OF MATTER, USE THE KINETIC PARTICLE THEORY TO EXPLAIN THE EXISTENCE ...

USE THE KINETIC PARTICLE THEORY TO EXPLAIN THE EXISTENCE OF THE DIFFERENT STATES OF MATTER

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