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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.
Prophase This is the first and longest phase of mitosis .At its beginning all 10 nm segments of chromatids (= chromonemata) of the duplicated chromatin fibres of interph
Q. Symptoms of inflammatory bowel disease? Inflammatory bowel diseases are associated with: • Abdominal cramping, diarrhoea • Steatorrhoea • Obstruction caused due t
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what are enzymes?
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The overall goal of BCC programs for diabetes mellitus is to promote behaviors that control diabetes mellitus and prevent complications. These include: Following treatment
Classes of Life Form The five life form classes are: Phanerophytes, Chamaephytes, Hemicryptophytes, Cryptophytes, and Therophytes.
What are the pancreatic tissues involved respectively in the exocrine and endocrine secretions? What are their respective hormones and enzymes? The exocrine secretion of the pa
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