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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.
Explain Risk Analysis Risk Analysis : A process consisting of three components: risk assessment, risk management and risk communication
Protozoans have endoskeletons formed from microtubular cytoskeleton of the exoskeletons or cytoplasm secreted as shells or tests. Some of these single-cell organisms are capable of
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Determine Major Aspects of the Mechanism of Freeze Drying? The major aspects of the mechanism of freeze drying are: (a) The removal of vapour from the subliming ice front w
Define Free Solution or Moving Boundary Method? The first electrophoresis technique used in the study of protein was free solution or moving boundary method devised by Tselius
why frog respire through skin
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Determine the Benedict's Test Glucose in urine is detected by Benedict's method and the test is known as Benedict's test. This test is used to detect glucose in urine (Glycosur
Q. Which is the brain region that receives conscious sensory information? Which is the brain region that triggers the voluntary motor activity? In the brain conscious sensory i
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