Abstract
This paper presents the development and validation of an improved method for the analysis of fluconazole using high-performance thinlayer chromatography (HPTLC) with densitometric detection. Separation was performed on silica gel 60 F254 plates. The mobile phase is comprised of ethyl acetate-methanol-ammonia-diaminoethane (85:10:5:0.5 ν/ν/ν/ν). Detection wavelength was 216 nm and the RF value obtained was 0.4 ± 0.03. An F-test indicated that the calibration graph was linear at the evaluated concentration range. The %RSD for repeatability and intermediate precision were 1.60 and 3.05, respectively. The mean percentage recovery for the trueness was 99.1 ± 2.1%. This method was successfully used to analyze the fluconazole content in marketed tablet samples.
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