Affiliation:
1. Department of Chemistry, Faculty of Sciences, University of Aleppo, Syria.
Abstract
Rapid useful and easy spectrophotometric method for quantitative analysis of Gliclazide(GLZ)in raw material and tablets pharmaceutical formulation has been described. This method is based on the formation of yellow ion-pair complex between (GLZ) and Bromocresol purple (BCP) in Toluene medium. Different parameters affecting the reaction such as: effect of solvents, time, reagent concentration, correlation ratio, etc. were optimized. The absorbance of the formed complex GLZ-BCP was measured by visible spectrum at absorption maximum 415 nm. The range of linearity was(4.85 – 113.19) µg/mL,regression analysis had a good correlation coefficient R2 = 0.9999. The limit of detection (LOD)and limit of quantification (LOQ)were to be 0.47µg/mL and 1.44µg/mL respectively. The average percent recovery of (GLZ) was found to be (99.73 – 100.41)%. The method was successfully applied for the determination of (GLZ) in tablets pharmaceutical formulations in Syrian pharmaceutical products: UNICRON. The proposed method is simple, direct, and sensitiveand does not require any pre-extractionprocess. Thus, the method could be ready to apply in routine analysis and quality control.
Subject
Pharmacology (medical),Pharmacology, Toxicology and Pharmaceutics (miscellaneous)
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