Pressurized planar electrochromatography of DNS amino acids derivatives in silica gel and silanized silica gel systems with formic acid addition to the water mobile phase

被引：0
|
作者：
Adam Chomicki
Tadeusz H. Dzido
机构：
[1] Medical University of Lublin,Department of Physical Chemistry
来源：
JPC – Journal of Planar Chromatography – Modern TLC | 2021年 / 34卷
关键词：
Pressurized planer electrochromatography; PPEC; Amino acids; Dansyl amino acids;
D O I：
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中图分类号：
学科分类号：
摘要：
Pressurized planar electrochromatography (PPEC) of dansyl (DNS) derivatives of amino acids in normal- and reversed-phase systems is presented. The results have been obtained for mobile phases with different acetonitrile (ACN) concentrations (0–85%). The data obtained show differences in separation selectivity between high-performance thin-layer chromatography (HPTLC) and PPEC systems. These differences originate from the electrophoretic effect which is involved in the PPEC system, contrary to the HPTLC one.
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页码：105 / 111
页数：6
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