Moxifloxacin Analytical Method Validation-Assay
Method Parameter Robustness
Change in Flow Rate(0.25mL/min) Change in Flow Rate(0.35mL/min)
Std. No. Standards USP
 Tailing
Std. No. Standards USP
 Tailing
1 2743760 1.55 1 1973875 1.49
2 2774673 1.55 2 1943344 1.49
3 2740829 1.55 3 1960245 1.49
4 2732432 1.55 4 1952056 1.49
5 2734277 1.55 5 1958542 1.49
Average 2745194 1.55 Average 1957612 1.49
STDEV 17118.49 0.00 STDEV 11255.31 0.00
%RSD 0.62 0.0 %RSD 0.57 0.0
 
Change in pH of Mobile Phase(1.6) Change in pH of Mobile Phase(2.0)
Std. No. Standards USP
 Tailing
Std. No. Standards USP
 Tailing
1 2271424 1.49 1 2263481 1.53
2 2252217 1.49 2 2258739 1.53
3 2249439 1.49 3 2276006 1.53
4 2244184 1.49 4 2272593 1.53
5 2241573 1.48 5 2276184 1.53
Average 2251767 1.49 Average 2269401 1.53
STDEV 11762.64 0.00 STDEV 7882.71 0.00
%RSD 0.52 0.3 %RSD 0.35 0.0
           
Change in Org Phase Composition (90%) Change in Org Phase Composition (110%)
Std. No. Standards USP
 Tailing
Std. No. Standards USP
 Tailing
1 2311223 1.43 1 2265737 1.53
2 2313683 1.43 2 2269570 1.53
3 2305552 1.43 3 2290266 1.53
4 2315524 1.43 4 2291368 1.53
5 2306395 1.43 5 2290691 1.53
Average 2310475 1.43 Average 2281526 1.53
STDEV 4393.90 0.00 STDEV 12742.53 0.00
%RSD 0.19 0.0 %RSD 0.56 0.00
Table 13: