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 the heat loss by polystyrene insulation foam, Heat Conductivity ...

Heat Conductivity When considering the design of houses, the heat conductivity by walls, roofs, and the floor plays an significant role. The heat conductivities (λ) of some bui

Bromination o vanillin, Ask qwhy is 5-bromovanillin the major productuestio...

Ask qwhy is 5-bromovanillin the major productuestion #Minimum 100 words accepted#

Equivalent weight, how to caculate n- factor in equivalent weight

how to caculate n- factor in equivalent weight

LIQVID CRYSTAL.., I HAVE TO PREPARE A ASSIGNMENT ON LIQUID CRYSTAL. AND I W...

I HAVE TO PREPARE A ASSIGNMENT ON LIQUID CRYSTAL. AND I WANT TO MAKE IT DIFFERENT FROM OTHER, ACTUALLY I GOT THE MATTER FROM OUR BOOK BUT OUR TEACHER SAID THAT YOU DON''T HAVE TO C

Period tabel, why are lanthanides and actinides called innertransition meta...

why are lanthanides and actinides called innertransition metals

Reducing agent for the extraction of metals, Aluminium metal is frequently ...

Aluminium metal is frequently used as a reducing agent for the extraction of metals such as chromium, manganese etc. Explain why? Ans) Aluminium is an highly electropositive metal

The following explains light both as a stream of particles, Which one of th...

Which one of the following explains light both as a stream of particles and as wave motion: (1) Diffraction (2) γ= h/p (3) Interference (4) Photoelectric effect

Reference solution, Reference solution: A proper reference soluti...

Reference solution: A proper reference solution contains color reagent plus sample buffer. The difference between the reference and a sample is that the concentration of

What are the chemical properties of nitric acid, Q. What are the Chemical P...

Q. What are the Chemical Properties of Nitric Acid? Ans. Reactions as an acid: Nitric acid ionizes well because it is a strong acid. HNO 3 --> H + + NO3 - It tur

Define the methods of shelf life examination, Q. Define the Methods of shel...

Q. Define the Methods of shelf life examination? Methods of shelf life examination are sensory evaluation, chemical analysis and microbiological analysis.

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages