Ceftazidime Dosage Investigation using Differential Pulse Polarography for Pharmaceuticals
DOI:
https://doi.org/10.36329/jkcm/2023/v3.i1.11340Keywords:
Ceftazidime, DPP, AnalysisAbstract
An accurate direct DPP identification of ceftazidime has been made for use in drug discovery and validation. The results showed that a mercury drop of 3 mm3, an acidic medium consisting of a KH phthalate plus HCl buffer solution at pH 2, and 1 ml of NH4Cl, 1 M as a supporting electrolyte were optimal for ceftazidime analysis.
Ceftazidime exhibited two peaks, the first at - 0.67V and the second at - 1.06V. For the determination of an unknown concentration, a standard graph of ceftazidime in concentrations ranging from 8.410-6 M to 2.610-5 M was developed. The reliability and accuracy of this technique for analysing the analyte were assessed. For ceftazidime laboratory samples, the SD was 0.1885 and the RSD% did not go above 4.573% at a concentration of 4.6 μg.ml-1, 8.410-6 M, and at a concentration of 8.5 μg.ml-1, 1.510-5 M, the SD was 0.35645 and the RSD% did not go over 4.345%. The peak potential Ep, and the actual number of electrons required for the reduction of ceftazidime are both calculated using the Ilkovic-Heyrovsky equation. The data show that ceftazidime requires five electrons for the reduction reaction to occur. The method has been successfully used to get ceftazidime on the market.
Keywords: Ceftazidime, DPP, Analysis.
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