Ning Jun, Xing Ying, Hou Xiao-ping, Kong Fan-zuo, Mou Shi-fen
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
Se Pu. 2002 Nov;20(6):530-3.
A new and simple method for the preparation of latex-coated pellicular cation exchanger is introduced. Chromatographic stationary phase of monodispersed agglomerated pellicular cation was prepared for the first time. The monodispersed polyvinylbenzene-divinylbenzene (PSTDVB) particles (10 microns) as substrate beads were functionalized with a tertiary amine on the surface at first and then attached with a layer of sulfonated latex particles (0.2 micron) to give the desired packing. Its chromatographic properties were evaluated by using alkali metals (Li+, Na+, NH4+, K+) and alkaline earth metals (Mg2+, Ca2+). The results showed that the packing is of good resolution, low detection limit, and excellent repeatability for common inorganic cations.
介绍了一种制备乳胶包覆薄壳阳离子交换剂的新的简单方法。首次制备了单分散团聚薄壳阳离子的色谱固定相。首先将作为基质珠的单分散聚苯乙烯 - 二乙烯基苯（PSTDVB）颗粒（10微米）表面用叔胺官能化，然后附着一层磺化乳胶颗粒（0.2微米）以得到所需的填料。通过使用碱金属（Li +，Na +，NH4 +，K +）和碱土金属（Mg2 +，Ca2 +）评估其色谱性能。结果表明，该填料对常见无机阳离子具有良好的分离度、低检测限和出色的重复性。
