Solvent excess adsorption on the stationary phases for reversed-phase liquid chromatography with polar functional groups

被引：47
|
作者：
Bocian, Szymon [1 ]
Vajda, Peter [2 ]
Felinger, Attila [2 ]
Buszewski, Boguslaw [1 ]
机构：
[1] Nicolaus Copernicus Univ, Fac Chem, Dept Environm Chem & Bioanalyt, PL-87100 Torun, Poland
[2] Univ Pecs, Dept Analyt & Environm Chem, H-7624 Pecs, Hungary
来源：
JOURNAL OF CHROMATOGRAPHY A | 2008年 / 1204卷 / 01期
关键词：
solvent adsorption; stationary phase; excess isotherm; surface heterogeneity;
D O I：
10.1016/j.chroma.2008.07.056
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
The measurement of acetonitrile and methanol adsorption was carried out on stationary phases with specific functionalities. The results were compared with the adsorption of those solvents on alkyl-modified adsorbents. This comparison allows us to describe the effect of polar groups on the adsorption of the organic modifiers. Our results clearly demonstrate how the functional groups modify the chromatographic properties of the homogeneous hydrophobic adsorbents. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：35 / 41
页数：7
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