Two-dimensional liquid chromatography of synthetic polymers

被引:60
作者
Berek, Dusan [1 ]
机构
[1] Slovak Acad Sci, Inst Polymer, Bratislava 84236, Slovakia
关键词
Synthetic polymers; Liquid chromatography; Two-dimensional separations; Combinations of exclusion (entropic) and interaction (enthalpic) retention mechanisms; SIZE-EXCLUSION CHROMATOGRAPHY; ADSORPTION-DESORPTION PROCEDURE; PARTITION RETENTION MECHANISMS; THIN-LAYER CHROMATOGRAPHY; LIMITING CONDITIONS; BLOCK-COPOLYMERS; ENTHALPIC-PARTITION; MOLECULAR-WEIGHT; MOLAR-MASS; FULL ADSORPTION/DESORPTION;
D O I
10.1007/s00216-009-3172-3
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Two-dimensional liquid chromatography, 2D-LC of synthetic polymers is critically assessed. Similarities and differences of 2D-LC of low-molecular-mass and polymeric substances are reviewed. The rationale of application of 2D-LC to macromolecular substances is discussed. Basic information on retention mechanisms in liquid chromatography of synthetic polymers is furnished. The principles, reasons, and significance of coupling of retention mechanisms are explained. The resulting separation processes are elucidated, and the technical concepts of the corresponding experimental arrangements are described. The benefits of 2D-LC are demonstrated together with numerous problems and shortcomings of the method.
引用
收藏
页码:421 / 441
页数:21
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