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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.
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how ionosinic pathway ric acid from ammonia forms u
Similarities in body parts often indicate shared ancestry. Which of the following is true? Structures used for different purposes in different groups can be controlled by the same
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a sea urchin egg is injected with an mRNA encoding the cadherin protein fragment described above and an mRNA encoding the Pmar1 transcription factor. The embryo is allowed to devel
Explain the Tubal Ligation This process is the most commonly utilized method of female sterilization. Tubal ligations are generally done in an outpatient surgical center. Thr
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Define the term - innor mitochondrial membrane The innor mitochondrial membrane has about 60 different proteins associated with it. The outer membrane is associated with some
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