Anti-Parkinsonizm ilaçlarının terner karışımının farmasötik dozaj formlarında kılcal elektroforez ile analizi

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A simple CZE method was developed for the analysis of ternary anti-Parkinsonism mixture, levodopa, carbidopa and entacapone. The compounds were simply separated and measured using an untreated fused-silica capillary with 75 μm internal diameter and 85 cm total length, with effective length of 70 cm.. Background electrolyte composed of 20 mM phosphate buffer of pH 7.5 was used under an applied voltage of 15 kV. Photodiode array detector (PDA) was used to identify each compound at different wavelength to obtain high sensitivity. The present method was conducted to the analysis of the ternary mixture in pharmaceutical preparations. The analytical results proved the linearity (r2 ≥ 0.9995), accuracy, precision (% RSD < 2).

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