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  1. 02787610996

    GPC standards: Pullulan or PS-OBG?

    GPC standards: Pullulan or PS-OBG Size exclusion chromatography (SEC) is frequently applied in industries and many labs for Mw and Mw distribution (MwD) determination because of its time and cost efficiency. Since the retention volume of SEC depends on the hydrodynamic volume rather than Mw...

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