Thin-layer chromatography (TLC) plate, showing separated components (colours). TLC is a chromatography technique used to separate non-volatile mixtures. It is performed on a sheet of glass, plastic, or aluminium foil coated in a thin layer of adsorbent material (the stationary phase). The sample is applied to the plate and a solvent (the mobile phase) is drawn up the plate via capillary action. Different components move up the plate at different rates, causing them to separate, as shown here.

px px dpi = cm x cm = MB
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TOP15587708

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達志影像

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