The present work aims to establish a simple, precise and rapid spectrophotometric method for quantifying ascorbic acid in active pharmaceutical ingredients. In this, work is carried out to estimate Ascorbic acid bulk by utilizing an Area under Curve (AUC) method using UV – UV-visible spectrophotometry. The study is designed to validate the developed methods as per ICH guidelines. For this purpose, the wavelength range between 200-400 nm was selected. Distilled water was used as a solvent throughout the work. Linearity was obtained in the concentration range of 2 to 10 µg/ml (r2 =0.991) for the method. The developed method was found to be simple, linear, accurate, precise and highly sensitive and can be used for routine quality control analysis for spectrophotometric estimation of active pharmaceutical ingredients.
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