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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.
what is evolution
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Define the Nutritional Assessment Tools? Malnutrition/protein energy malnutrition amongst elderly persons has been observed in various studies -be it hospitalized patients, nur
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Explain what is Patent Ductus Arteriosus in details? Figure : Anatomical location of PDA Patent Ductus Arteriosus (PDA) may be an isolated defect or may co-exist with
(a) Anti-malarial drugs kill the parasites in the blood but they do not cure the disease.Why is this? (b) Why was the use of DDT insecticide not successful in eradicating mal
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Q. What is pus? Pus is a residual of the inflammatory reaction and it contains a mixture of fragments of dead infectious agents (generally bacteria), leukocytes and tissues.
Classification with its Justification Kingdom Animalia Animals, multi-cellular organisms with cells that lack a cell wall, many capable of movement or movement of some o
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