Table 3.

Physical evaluation of the floating gastroretentive matrix tablets of famotidine, prepared using salep

Formulation	Weight variation (mg)	Hardness (N)	Thickness (mm)	Diameter (mm)	Friability (%)
S1	270.98±1.13	171±4.00	2.31±0.14	9.88±0.01	0.49
S2	290.4±0.91	149±4.73	2.51±0.01	9.88±0.01	0.34
S3	310.9±1.06	124±5.77	2.7±0.11	9.87±0.02	0.28
S4	329.8±1.02	118±7.55	2.91±0.03	9.88±0.02	0.44
S5	351±1.06	99±3.61	3.44±0.03	9.88±0.01	0.38
S6	370.8±0.81	118±5.09	3.53±0.21	9.87±0.02	0.39
S7	390.96±1.09	112±4.54	3.77±0.09	9.87±0.04	0.24
S8	409.2±1.08	109±4.99	3.91±0.34	9.88±0.01	0.28
S9	430.57±0.98	108±5.45	3.98±0.09	9.88±0.02	0.43
S10	451±1.2	102±6.08	4.13±0.83	9.89±0.01	0.39

Note: Results except for friability are shown as mean ± standard deviation.