Define adsorption chromatography -basic separation technique, Biology

Assignment Help:

Define Adsorption chromatography - Basic Separation Technique?

Adsorption is surface interaction and is by number of forces, between surface atoms of solids and molecules of external solute. Adsorption chromatography comprises of systems where active absorption occurs at the surface of the solid stationary medium, often alumina or silica gel. Competition for adsorptive sites occurs between the molecules of the mixture to be separated and the molecules of mobile phase, be it gas or liquid.

The speed of migration of a component will depend on its adsorptive affinity relative to the other species present. A number of attractive forces (Vander Waal forces, hydrogen bonding etc.) between the stationary phase and substances to be separated have been recognized and separation takes place due to differences in these adsorption forces.


Related Discussions:- Define adsorption chromatography -basic separation technique

Chemical stress - nature of the solutes, Chemical Stress - Nature of the so...

Chemical Stress - Nature of the solutes The acidic or basic reaction of soil and water of a particular habitat reflects its geochemical history beginning with its formation an

Define important food sources of protein, Define Important Food Sources of ...

Define Important Food Sources of Protein? The important sources of proteins in the diets of low-income groups are cereals and legumes. Meat, fish, eggs and milk are important s

Explain about the primary protein derivatives, Explain about the primary pr...

Explain about the primary protein derivatives? a) Proteins: These are the insoluble products which result from the incipient action of very dilute acids or enzymes. e.g. casein

Respiratory system, 1. Considering the nature of negative-feedback control ...

1. Considering the nature of negative-feedback control and the function of the respiratory system, what effect do you predict that a decrease in CO2 in the internal environment wou

Muscular force, 2.?In order to increase muscular force production, muscular...

2.?In order to increase muscular force production, muscular contractions may be modulated in two ways. Explain.

Absorbing surface of the small intestine is increased, State three ways in ...

State three ways in which the absorbing surface of the small intestine is increased.   The absorbing surface of the small intestine is increased by:- (a) being very long

Lab safety, Why should you not apply cosmetics while doing a lab experiment...

Why should you not apply cosmetics while doing a lab experiment in class?

State the lantern test of eye, State the Lantern Test  The patient nam...

State the Lantern Test  The patient names colours displayed in the lantern and the mistakes are analyzed. This is not the best method of testing because it depends on the natu

Define major structures of chloroplasts, Q. What are the major structures o...

Q. What are the major structures of chloroplasts? Chloroplasts are involved by two membrane layers the inner and the outer membranes. Inside the organelle the formative unit is

Explain the complications of burns, Explain the Complications of Burns? ...

Explain the Complications of Burns? Most minor burns are superficial and do not cause complications. However, deep second-degree and third-degree burns swell and take more time

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