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Accuracy
To check accuracy of the method, recovery studies were carried out by mixing standard drug solution to pre analyzed sample solution at three different levels 50%, 100% and 150%. Basic concentration of sample chosen was 20μg/ml of Mesalamine bulk drug solution to which 40and 60 μg/ml of Mesalamine tablet solution was added. These solutions were injected in stabilized chromatographic conditions in triplicate to obtain the chromatograms.