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- Author or Editor: Emanoil Surducan x
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Chromatographic processes are based on an adsorption-desorption mechanism. By this mechanism the sample is distributed between the porous medium and the mobile phase. External forces, for example perpendicular or parallel electric forces applied to the thin layer chromatographic plates, may effect these processes. In this work, TLC plates were placed perpendicular or parallel to 2.45 ± 0.5 GHz electromagnetic waves (microwaves) to improve chromatographic resolution. Perpendicular arrangement of the microwave field relative to the TLC plate led to the greatest improvement of the separation compared with separation under normal conditions.