Abstract
Successful use of macrolide antibiotic azithromycin for enantioseparation of tetrahydrozoline is described in this paper. The effect of experimental parameters such as background electrolyte composition, solvent type, chiral selector concentration, temperature, and applied voltage on the enantioseparation of tetrahydrozoline was studied. The procedure was proposed for the analysis of tetrahydrozoline in pharmaceuticals. Linearity was achieved in the concentration range 5 × 10−2–1 mg mL−1. The azithromycin stability in the background electrolyte and the antibiotic adsorption on the fused-silica capillary were studied. Best enantioseparation with resolution factor 1.6 was achieved in less than 10 min.
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