INTRA DAY INTER DAY S.No Amount of drug taken (μg/ml) Amount of drug found (μg/ml) Mean %RSD Amount of drug taken (μg/ml) Amount of drug found (μg/ml) Mean %RSD 1 30 28 29.24 1.0 30 28 28.27 1.2 2 29 28.6 3 30 27 4 29.6 27.6 5 29.6 29.6 6 28.9 28.9

Table 3: Analytical Intraday and Interday precision of ceftriaxone.