Formulation code
                                      Post-compression Evaluatio n Parameters
Diameter
(mm.)
(n=3)
Mean±SD
Thickness
(mm.)
(n=3)
Mean±SD
Hardness
Kg/cm2
(n=10)
Mean±SD
Friability
(%)
(n=10)
Average weight
(mg.)
(n=10)
Mean±SD
Drug content (%)
  F1 10.0 ± 0.007   3.1 ± 0.130   4.5 ±0.165   0.72 332.1 ± 0.117   97.17
  F2 10.0 ± 0.004   3.1 ± 0.109   4.5 ±0.170   0.79 329.5 ± 0.147   97.76
  F3 10.0 ± 0.006   3.0 ± 0.192   5.0 ±0.166   0.96 330.7 ± 0.273   98.35
  F4 10.0 ± 0.005   3.0 ± 0.180   5.5 ±0.172   0.91 332.4 ± 0.138   98.94
  F5 10.0 ± 0.003   3.0 ± 0.168   5.5 ±0.184   0.82 332.9 ± 0.178   100.12
  F6 10.0 ± 0.006   3.0 ± 0.156   5.5 ±0.196   0.97 331.6 ± 0.054   100.71
  F7 10.0 ± 0.002   3.0 ± 0.198   5.0 ±0.140   0.86 330.4 ± 0.096   99.53
Table 3: Physical Characterization of Gastroretentive Floating Tablets of Glipizide.