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nature : also known as size exclusion chromatography. HPLC type. According to a molecular size and shape to the separation of the mixture. To a certain aperture scope of the porous gel as the stationary phase and liquid-phase flow. The solute molecules in gel selective proliferation of small molecules could penetrate into the hole happened to gel, secondary elements to make some infiltration, and macromolecules were excluded, the first outflow. Gel chromatography is widely used in polymer chemistry and biochemistry field, can be separated and purified as proteins, nucleic acids and polysaccharides such macromolecule compounds can be used to estimate the molar mass macromolecules.
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