Preparation of monodispersed agglomerated pellicular cation exchange resins and its chromatographic properties
2002
A new and simple method for the preparation of latexcoated pellicular cation exchanger is introduced. Chromatographic stationary phase of monodispersed agglomerated pellicular cation was prepared for the first time. The monodispersed polyvinylbenzenedivinylbenzene (PSTDVB) particles (10 μm) as substrate beads were functionalized with a tertiary amine on the surface at first and then attached with a layer of sulfonated latex particles (02 μm) 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.
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