Journal of Chemistry / 2013 / Article / Tab 3 / Research Article
RP-HPLC Analytical Method Development and Validation for Simultaneous Estimation of Three Drugs: Glimepiride, Pioglitazone, and Metformin and Its Pharmaceutical Dosage Forms Table 3 Results for accuracy of the method.
Initial conc area Sol 1 area 50% area Sol 1—50% area % Recovery Sol 1 Glimepiride 14657264 22563825 8023992 14539833 99.2 Pioglitazone 11302419 17393625 6189621 11204004 99.13 Metformin 11072363 20056814 9030106 11026708 99.59 Initial conc area Sol 2 area 75% area Sol 2—75% area % Recovery Sol 2 Glimepiride 14657264 26129857 11630341 14499516 98.92 Pioglitazone 11302419 20320163 8954005 11366158 100.56 Metformin 11072363 21365397 10146889 11218508 101.32 Initial conc area Sol 3 area 100% area Sol 3—100% area % Recovery Sol 3 Glimepiride 14657264 29367481 14657264 14710217 100.36 Pioglitazone 11302419 22539487 11302419 11237068 99.42 Metformin 11072363 22249678 11072363 11177315 100.95 Initial conc area Sol 4 area 125% area Sol 4—125% area % Recovery Sol 4 Glimepiride 14657264 32182741 17567370 14615371 99.71 Pioglitazone 11302419 28483584 13618562 11225022 99.32 Metformin 11072363 22950236 11878593 11071643 99.99 Initial conc area Sol 5 area 150% area Sol 5—150% % Recovery Sol 5 Glimepiride 14657264 34362870 19549044 14813826 101.07 Pioglitazone 11302419 26320185 15120715 11199470 99.09 Metformin 11072363 23472537 12416531 11056006 99.85