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Chromatography - Coggle Diagram
Chromatography
the mobile phase
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the mobile phase flows through & across the stationary phase carrying the biological molecules with it
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e.g. ink on paper - solvent travels up the paper & the mixture travels with it some pigments travel more slowly than others by the time the solvent has reached the top of the paper the pigments have reached different positioned
the stationary phase
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this is the chromatography paper or thin layer chromatography (TLC) plate - paper often made of cellulose
if a TLC plate used instead - made of plastic & coated within a thin layer of silica gel or aluminium hydroxide
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used to separate a mixture into its constituents, e.g. biological molecules
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