MEASUREMENT OF THE HEATS OF ADSORPTION OF CHIRAL ISOMERS ON AN ENANTIOSELECTIVE STATIONARY PHASE

被引：35

作者：

JACOBSON, S

GOLSHANSHIRAZI, S

GUIOCHON, G

机构：

[1] UNIV TENNESSEE, DEPT CHEM, KNOXVILLE, TN 37996 USA

[2] OAK RIDGE NATL LAB, DIV ANALYT CHEM, OAK RIDGE, TN 37830 USA

来源：

JOURNAL OF CHROMATOGRAPHY | 1990年 / 522卷

关键词：

D O I：

10.1016/0021-9673(90)85174-T

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The adsorption isotherms of the N-benzoyl-d- and l-alanine were measured at different temperatures, and the enthalpy of adsorption and the isosteric heat of adsorption were extracted from the data. These thermodynamic functions provide further evidence that a bimodal retention mechanism is present for the separation of enantiomeric pairs on a bovine serum albumin stationary phase. The first mode of interaction is associated with the chiral selective properties of the column whereas the second is associated with the non-chiral selective properties. © 1990.

引用

页码：23 / 36

页数：14

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