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大孔型合成树脂Amberlite XAD-2(以下简称XAD-2)系一中性非极性苯乙烯-二乙烯苯共聚物。分子式如下:XAD-2是一种性能优良的吸附剂(活性表面积为300米~2/克,平均孔径90埃),下面对XAD-2柱层析作一扼要的介绍。一、原理XAD-2树脂通过与被吸附分子中的亲脂部分之间的范德瓦尔力,把该分子吸附在它的内表面。因此,它的吸附性能与被吸附分子的电离性能有直接的关系。对非电解质来说,它具有很高的吸附效率,而强电
Amberlite XAD-2 macroporous synthetic resin (hereinafter referred to as XAD-2) is a neutral non-polar styrene-divinylbenzene copolymer. The molecular formula is as follows: XAD-2 is a good performance adsorbent (active surface area of 300-2 / g, average pore diameter of 90), the following XAD-2 column chromatography for a brief introduction. First, the principle XAD-2 resin through adsorption with the lipophilic part of the van der Waals force, the molecule adsorbed on its inner surface. Therefore, its adsorption properties are directly related to the ionization properties of the adsorbed molecules. For non-electrolyte, it has a high adsorption efficiency, and strong electricity