Spectrophotometric determination of bacitracin in bulk drug as dabsyl derivative in a range of visible light.
Jan Krzek, Joanna Piotrowska
Index: Acta Pol. Pharm. 68(6) , 853-8, (2011)
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Abstract
A fast spectrophotometric method has been developed for bacitracin identification and determination after condensation reaction with dabsyl chloride. In addition, determination of dye stability of sulfonamide derivative and identification of the molar ratio of reagents was done at various time-points. The developed method has a good linearity with very broad spectrum, correlation coefficient of r = 0.9972, good precision (RSD = 1.54 +/- 0.11%), and recovery at three different levels of concentration was found between 98.33% and 103.47%. Usefulness of the method was demonstrated by positive results obtained during determination of bacitracin concentration in bulk drug.
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