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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
JPC - Journal of Planar Chromatography - Modern TLC ( IF 1.6 ) Pub Date : 2021-05-13 , DOI: 10.1007/s00764-021-00099-4
Adam Chomicki , Tadeusz H. Dzido

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.



中文翻译:

硅胶和硅烷化硅胶系统中DNS氨基酸衍生物的加压平面电色谱法,其中甲酸添加到水流动相中

介绍了正相和反相系统中氨基酸的丹磺酰基(DNS)衍生物的加压平面电色谱(PPEC)。对于具有不同乙腈(ACN)浓度(0–85%)的流动相,已经获得了结果。获得的数据显示了高性能薄层色谱(HPTLC)和PPEC系统在分离选择性上的差异。这些差异源自PPEC系统中涉及的电泳效应,与HPTLC相反。

更新日期:2021-05-13
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