Drug Taken (μg mL-1) Founda (μg mL-1) % Recovery % RSD
Azithromycin 10.0 10.5 105.0 0.7
15.0 14.5 96.7 0.7
20.0 19.5 97.5 0.8
30.0 31.0 103.3 0.4
35.0 36.0 102.9 0.1
Sparfloxacin 20.0 21.0 105.0 1.4
30.0 29.5 98.9 0.6
40.0 38.5 96.3 0.2
50.0 51.0 102.0 0.1
60.0 59.0 98.3 0.3
aAverage of three determinations
%RSD Relative standard deviation
Table 7: Analysis of spiked urine samples.