STATISTICAL EVALUATION OF THE VALIDITY OF A METHOD FOR CHARACTERIZING STATIONARY PHASES FOR REVERSED-PHASE LIQUID-CHROMATOGRAPHY BASED ON RETENTION OF HOMOLOGOUS SERIES

被引:9
作者
BREUER, MRP [1 ]
CLAESSENS, HA [1 ]
CRAMERS, CA [1 ]
机构
[1] EINDHOVEN UNIV TECHNOL,INSTRUMENTAL ANAL LAB,5600 MB EINDHOVEN,NETHERLANDS
关键词
COLUMN LIQUID CHROMATOGRAPHY; CHARACTERIZATION OF REVERSED PHASES; COLUMN HYDROPHOBICITY; COLUMN HYDROPHILICITY;
D O I
10.1007/BF02290326
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The validity of a method for characterizing stationary phases for reversed-phase, liquid chromatography, based on the use of homologous series, has been evaluated. The method is based on a retention model which describes the dependence of the logarithm of the capacity factor on mobile phase composition and the carbon number of specific homologous series. A first-order as well as a second-order version of this model was investigated. The second-order model proved to be a significant improvement on the first-order model, even for smaller mobile-phase ranges. Nevertheless both models showed a significant lack of fit, reflecting the incompleteness of these models. Therefore, it is very questionable whether this method is suitable to describe HPLC-column characteristics like hydrophobicity and hydrophylicity.
引用
收藏
页码:137 / 146
页数:10
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