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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.
BIO GEOGRAPHICAL EVIDENCE- The patterns of distribution of animals and plants in different parts of the globe are termed as biogeography. It is believed that around carbo
what is the importance of itamembranous ossification
Define Rheology and syneresis Rheology: the science of the deformation and flow of matter. It is the branch of physics concerned with the flow and change of shape of matter,
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Define Soy Protein Concentrates? The Association of American Feed Control Officials, Inc. (AAFCO) specifies soy protein concentrates as follows: "Soy Protein Concentrate is pre
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