The chain length distribution of a oligomeric polystyrene sample initiated by n-butyl lithium was determined by high performance size exclusionchromatography on a ultraviolet absorption detector.
用高效尺寸排除色谱以紫外吸收光度计寿检测器，测定了一个以正丁基锂引发的聚苯乙烯齐聚物的链长分布。
2
The procedure and results of quantitative determination of partially hydrolyzed polyacrylamide (PHPA) in chemical flooding systems by size exclusionchromatography are described.
介绍了用分子排阻色谱技术定量测定化学驱油体系中的部分水解聚丙烯酰胺（PHPA）的方法。
3
A method is presented for measuring the composition and molecular weight of block copolymer simultaneously by size exclusionchromatography with a single detector.