Kinetic Spectrophotometric Determination of Certain Cephalosporins in Pharmaceutical Formulations

Table 4

Evaluation of accuracy of the analytical procedure using initial rate method.

Drug	Recovery %^∗
	5.0 𝜇g mL^-1	9.0 𝜇g mL^−1	15.0 𝜇g mL^-1
Cefotaxime	99.8±1.061	100.06±0.7136	99.89±0.6435
Cephapirin	100.29±1.071	99.68±0.7181	100.22±0.7661
Cephradine	100.74±0.8237	99.98±0.6211	99.87±0.6870
Cephalexin	99.41±0.7567	99.78±0.5612	99.73±0.4031
Ceftazidime	100.14±0.9817	100.16±0.8680	99.18±0.8714
Cefazoline	99.89±1.243	100.87±0.8745	100.4±0.6999
Ceftriaxone	99.31±1.242	99.99±0.9167	100.67±0.7308
Cefuroxime	100.21±1.168	100.18±0.8334	100.69±0.9595

∗Mean of 6 replicate ± SD.