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

Show the extraction of oxygen, Q. Show the Extraction of Oxygen? Oxygen...

Q. Show the Extraction of Oxygen? Oxygen is separated from air on a large scale by the fractional distillation of liquid air. It is obtained as a by-product along with hydrogen

Compute the blood volume within the body of horse, Compute the blood volume...

Compute the blood volume within the body of horse: Problem: A 0.6 cm 3 solution containing 7.5 µCi /cm 3 of 59 Fe was injected into the blood stream of a horse After e

the density of cesium chloride, Determine the density of cesium chloride w...

Determine the density of cesium chloride which crystallises in bcc type structure with the edge length 412.1 pm.The atomic masses of Cs & Cl are 133 & 35.5 respectively.   Solution

The set of quantum numbers & belongs to the element, The set of quantum num...

The set of quantum numbers n= 3, l=0, m=0, s= -1/2 belongs to the element: (1) Mg                   (2) Na        (3) Ne                (4) F Ans: Mg

Classification of polymers - natural polymer, Classification of polymers - ...

Classification of polymers - Natural polymer The polymers acquired from nature (plants and animals) are known as natural polymers. These types of polymers are extremely essenti

Characterisation and purification of organic compounds, Characterisation an...

Characterisation and Purification of organic compounds The study of organic compounds begins along with the characterization of the compound and the determination of its molecu

Beckmann rearrangement, Beckmann rearrangement Ketoxime while treated w...

Beckmann rearrangement Ketoxime while treated with acid at 0° C it goes through rearrangement termed as Beckmann rearrangement. So, acid catalysed conversion of ketoximes t

Mole, how to teach mole to students

how to teach mole to students

Organic, Explain in words why hydroboration leads to anti-Markovnikov addit...

Explain in words why hydroboration leads to anti-Markovnikov addition of hydrogen whereas most electrophilic addtions to alkenes result in Markovnikov addition.

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