RECENT DEVELOPMENTS IN ION-EXCHANGE CHROMATOGRAPHY

被引:39
作者
WOOD, R
CUMMINGS, L
JUPILLE, T
机构
关键词
D O I
10.1093/chromsci/18.10.551
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
By the late 1960s, ion-exchange resins had become ″passe″ since they were widely considered incapable of withstanding the high pressures associated with HPLC without collapsing. The silica-based materials, both pellicular and the more recent totally porous, were able to withstand the rigors of fast flow and high pressure, but lacked the capacity of the organic-based resins. Recent work resulted in both increased capacity of the silica-based material and increased mechanical stability for organic-based materials. Both types share the role of providing ion-exchange capability in HPLC. Exploitation and optimization of either type, however, requires an understanding of the operating principles that govern the performance of both.
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页码:551 / 558
页数:8
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