Sample Taken (μg mL-1) Robustness Reaction timea (n=3)% RSD Ruggedness Inter cuvettes (n=2)% RSD
Azithromycin 10.0 0.4 0.3
20.0 0.9 0.7
30.0 0.3 0.5
Sparfloxacin 25.0 0.8 0.4
45.0 0.2 0.6
65.0 0.8 0.5
Cephalexin monohydrate 55.0 0.5 0.7
95.0 0.2 0.6
145.0 0.6 0.3
a Reaction time- 20,25 and 30 min
Table 4: Evaluation of robustness and ruggedness.