Abstract
The purpose of this paper was to assess the suitability of thin-layer chromatography (TLC) as a pilot method for high-performance liquid chromatography (HPLC). The new 1,2,4-triazole and thiosemicarbazide derivatives were analyzed by use of reversed-phase (RP)-TLC and RP-HPLC techniques, applying octadecyl silica adsorbents and aqueous-organic mobile phases. Organic modifiers: methanol and acetonitrile were used at appropriate concentrations providing optimal retention factors. For both techniques, retention coefficient k in column chromatography and the retardation factor RF expressing retention in TLC were determined. The experimentally measured parameters were presented in a logarithmic scale as log k and RM, respectively. The constructed relationships between log k and RM allowed determining the possibility of TLC for anticipating HPLC retention behavior.
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