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用凝胶渗透色谱法在三种不同孔径大孔硅质二醇固定相上，快速定量测定了化学驱油体系中部分水解的聚丙烯酰胺。该方法以大孔二醇硅质ＳＩ－５００、ＳＩ－１０００、ＳＩ－３０００（孔径分别为５０ｎｍ、１００ｎｍ和３００ｎｍ）为固定相，以０．２ｍｏｌ／Ｌ及０．５ｍｏｌ／ＬＮａＨ２ＰＯ４为流动相，在２１０ｎｍ处检测。表面活性剂及聚合物驱油液中所有组分对聚丙烯乳胶的测定均无干扰；最低检测限为２ｍｇ／Ｌ～４ｍｇ／Ｌ；回收率为９２％～１０８％；３ｍｉｎ之内可完成一次样品的测定。ＳＩ－５００与ＳＩ－１０００、ＳＩ－３０００固定相相比较，对实样的分离效果最佳。
The partially hydrolyzed polyacrylamide in chemical flooding system was rapidly and quantitatively determined by gel permeation chromatography on three kinds of macroporous silica diol stationary phases with different pore sizes. The method uses macroporous diol siliceous SI-500, SI-1000 and SI-3000 (with pore diameters of 50nm, 100nm and 300nm respectively) as the stationary phase and 0.2mol / L and 0.5mol / Detection at 210 nm. Surfactant and polymer flooding solution all components of the determination of polypropylene latex were no interference; minimum detection limit of 2mg / L ~ 4mg / L; recovery rate of 92% to 108%; within 3min to complete Determination of samples. Compared with SI-1000 and SI-3000 stationary phase, SI-500 has the best effect on real sample separation.