OPTIMIZATION OF SOME VARIABLES OF ON-LINE INJECTION IN PRESSURIZED PLANAR ELECTROCHROMATOGRAPHY

Author: Hałka-Grysińska Aneta   Płocharz Paweł W.   Szczap Robert   Dzido Tadeusz H.  

Publisher: Taylor & Francis Ltd

ISSN: 1082-6076

Source: Journal of Liquid Chromatography & Related Technologies, Vol.36, Iss.17, 2013-10, pp. : 2512-2523

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Abstract

Pressurized planar electrochromatography (PPEC) is a separating technique, in which an electric field is applied to force movement of the mobile phase through a porous media (electroosmotic effect). High separation efficiency, fast separation, and changes in separation selectivity in comparison to liquid chromatography, especially to thin-layer chromatography (planar chromatography, TLC) are features of this technique. Our group has recently introduced the prototype device, which enables simultaneous on-line injection of six samples on chromatographic plate in a stream of the mobile phase. In this paper influence of some operating variables of on-line injection mode on efficiency of PPEC separation system is shown and discussed.

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