Sr.no Formulation Weight variation Friability % Hardness Kg/cm2 In-vitro disintegration time  (Sec) 1 F1 Passes 0.40 3.4 72 2 F2 Passes 0.55 3.5 64 3 F3 Passes 0.46 3.5 94 4 F4 Passes 0.35 4.0 82 5 F5 Passes 0.60 3.8 79 6 F6 Passes 0.55 3.5 152 7 F7 Passes 0.60 3.0 102 8 F8 Passes 0.35 3.6 117 9 F9 Passes 0.20 4.2 168 10 F10 Passes 0.55 3.4 81 11 F11 Passes 0.36 3.6 124 12 F12 Passes 0.31 3.8 173 13 Control Passes 0.40 3.8 138

Table 9: Evaluation of preliminary batches of fast disintegrating tablets of perindopril erbumine.