Dyes - chemistry in action, Chemistry

Assignment Help:

Dyes

Dye is a synthetic and natural colouring matter that is employed in solution to stain materials particularly fabrics. All the coloured substances are not dyes. A coloured substance is known as a dye if it fulfills the subsequent conditions,

1. It should have an appropriate colour.

2. It may be lasting on the fabric either directly or with the help of mordant.

3. while fixed it must be fast to light and washing, that is it has to be resistant to the action of acids, water and alkalies, majorly to alkalies as washing soda and soap have alkaline nature.


Related Discussions:- Dyes - chemistry in action

Periodic, where is the asterisk located

where is the asterisk located

#Equivalent weight, #how do i know the factor of a compound when getting it...

#how do i know the factor of a compound when getting its equivalent weight?

Determined intrinsic viscosity, The table below gives intrinsic viscosity v...

The table below gives intrinsic viscosity values determined by viscometry and weight- average molar mass values determined under the same conditions by static light scattering

Ammonical smell, how can we identify the ammonical smell and punjent smell?...

how can we identify the ammonical smell and punjent smell?

Molarity , sulphuric acid can be made with concentration of 99%. However fo...

sulphuric acid can be made with concentration of 99%. However for different industrial process different concentration are used. For a specific industrial requirement, 62% H2SO4 is

Draw the structures of white phosphorus and red phosphorus, Draw the struct...

Draw the structures of white phosphorus and red phosphorus. Which one of these two types of phosphorus is more reactive and why?

Which reactions can occur during further oxidation, a) Write down the balan...

a) Write down the balanced reaction equation of the key reaction path.  b) Which reactions can occur during further oxidation (except total oxidation) ?   The us

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