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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.
Carbohydrates Fifty five to seventy per cent of the required energy in animals is derived from carbohydrates. However, fats and proteins can also be broken down and used for
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Explain about the freeze drying Method? The Techniques of freeze-drying have been developed over the past half-century for the purpose of preserving certain biological material
What are the two main classes into which fishes are divided? Fishes are separated into two main classes: chondrichthyes, fishes with cartilaginous skeletons (sharks, rays, dog-
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Describe the term - Near-far problem Signals closer to the receiver are received with less attenuation than signals farther away. Given the lack of complete orthogonality, the
I have been getting assignments to write. But not for the subject I have aptitude for.Please help
what is the genetic code of life
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