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An ion-pair reversed-phase high-performance liquid chromatographic method for the determination of the purity of acivicin and the amount of drug in a sterile powder and two sterile solution formulations is described. The method displays good recoveries (98.4-100.4%) for all formulations and a linear range of 0.002-20 micrograms of drug injected. Estimates of assay precision were 1.3% for the bulk drug, 0.6% for sterile solution formulations and 1.6% for the sterile powder formulations.
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