Drug Taken (μg mL-1) Founda(μg mL-1) %Recovery Mean±SD
Azithromycin 10.0 10.5 105.0   103.6  ± 1.3
20.0 20.5 102.5
30.0 31.5 103.3
Sparfloxacin 25.0 26.0 104.0   100.6 ± 4.4
45.0 43.0 95.6
65.0 66.5 102.3
Cephalexin monohydrate 55.0 53.0 96.4   98.6 ± 2.3
95.0 93.5 98.4
145.0 146.4 101.0
aAverage of three determinations.
Table 2: Recovery studies of the three drugs.