Recovery studies
Recovery studies were carried out by using spiking method. In this method the test sample having the concentration of 10μg/ml .To this standard drug is spiked by adding into the test solution. A concentration of 8, 10 and 12μg/ml are added to the sample solutions and the absorbances of the three spiked concentrations were taken. From this absorbance we can determine the amount of drug that can be recovered by the proposed method