Determination of Ketoconazole in tablets by using three different methods

Biljana Gjorgjeska

Abstract


Ketoconazole has been widely used as an antifungal drug  that is formulated as tablets, cream and over­the­counter ketoconazole shampoo. The aim of this research was to study and to standardize an ultraviolet spectrophotometric (UVS) method, potentiometric  and a high  performance  liquid  chromatographic  (HPLC) method  for  the determination  of ketoconazole in commercially available Oromycosal® tablets. These three methods were compared and discussed with respect to  their  sensitivity,  selectivity  and ready­applicability  in  routine  analytical  work.   Absorption  spectra and spectrophotometric determinations were carried out on the UVS spectrophotometer. Investigated concentrations were in range from  0.003 to  0.02mg?dm­3. The absorbance was measured at 224  nm.  In potentiometric  titrations  glass  and saturated (KCl) calomel electrode were used. HPLC analyses of ketoconazole were carried in the presence of econazole as internal standard. It can be concluded that the described methods are simple, fast and reliable for determination of ketoconazole in pharmaceutical preparations. The preparation of the samples is easy, the excipients do not  interfere in the methods, so they can be used in routine quality control analysis.


Keywords


Operation, control, regulation of instruments

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References


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DOI: http://dx.doi.org/10.12955/emhpj.v4i0.357

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