期刊
JPC-JOURNAL OF PLANAR CHROMATOGRAPHY-MODERN TLC
卷 21, 期 5, 页码 379-385出版社
AKADEMIAI KIADO ZRT
DOI: 10.1556/JPC.21.2008.5.11
关键词
Planar chromatography in magnetic field; Silica gel layers; Horizontal chromatographic chambers; Mono- and binary inactive mobile phases; PAH
The effect of a magnetic field on the planar chromatographic retention of some PAH has been investigated. The horizontal chamber was placed between two neodymium magnets and chromatograms were developed in the magnetic field created. The effect of the magnetic field was tested for single-component and binary mobile phases containing n-alkanes and aromatic hydrocarbons. PAH were used as solutes. The results obtained showed that magnetic fields can affect the retention and shape of the chromatographic bands of the solutes investigated. The effect depends on the type of mobile phase, the properties of the adsorbent layer and the mode of development of the chromatogram (development distance).
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