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小毕17431

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[求助] 凝胶色谱原理 疑问 已有1人参与

小白请问个及其粗浅但是我不知道的问题:为什么凝胶色谱小分子就必须是通过凝胶内部孔径,不是大分子都能通过外部间隙,那小分子不是也有很多通过外部间隙吗
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S8032

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小毕17431: 金币+5, ★有帮助 2019-10-10 10:13:22
小分子是顺着溶液可以进入到小孔径(凝胶内部孔径)和通过外部间隙.但是小孔径的几率比外部间隙多得多。.
2楼2019-10-09 10:23:20
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